Vegetable planting system based on biogas slurry purification

文档序号:1879531 发布日期:2021-11-26 浏览:7次 中文

阅读说明:本技术 一种基于沼液净化的蔬菜种植系统 (Vegetable planting system based on biogas slurry purification ) 是由 徐善新 高绣纺 朱艺 于 2021-08-03 设计创作,主要内容包括:本发明涉及蔬菜种植系统技术领域,具体公开了一种基于沼液净化的蔬菜种植系统,包括养殖系统、种植生产系统和污染物处理系统。通过养殖系统来管理家畜的养殖,同时其产生的粪尿污染物通过污染物处理系统处理后的沼液提供给种植生产系统供蔬菜的种植及生产所用,种植生产系统又可以净化处理沼液形成净化水加以回收利用,整个种养结合系统相互支持,解决了当前养殖业产生的粪尿污染物处理或利用不充分的技术问题,同时也解决了种植生产系统的化肥过度使用的技术问题,整个种植系统内的资源重复回收、处理、再利用,且整个的生产活动智能化管理,大大的提高了农业和养殖业的经济效益。(The invention relates to the technical field of vegetable planting systems, and particularly discloses a vegetable planting system based on biogas slurry purification. The breeding of livestock is managed through the breeding system, biogas slurry generated after feces pollutants are treated by the pollutant treatment system is provided for the planting production system to be used for planting and producing vegetables, the planting production system can purify the biogas slurry to form purified water for recycling, the whole planting and breeding combination system supports each other, the technical problem that the feces pollutants generated by the current breeding industry are treated or insufficiently utilized is solved, the technical problem of excessive use of chemical fertilizers of the planting production system is solved, resources in the whole planting system are repeatedly recycled, treated and reused, the whole production activity is intelligently managed, and the economic benefits of agriculture and the breeding industry are greatly improved.)

1. The utility model provides a vegetable planting system based on natural pond liquid purifies which characterized in that includes:

the breeding system is used for the intelligent breeding and management of livestock;

the planting production system is used for planting and producing vegetables;

and the pollutant treatment system is used for recovering, treating and recycling various pollutants generated in the production activities of the culture system and the planting production system.

2. The biogas slurry purification-based vegetable planting system of claim 1, wherein the farming system comprises:

a farm base for the cultivation of livestock;

the system comprises a farm monitoring system, a gas monitoring system and a room temperature online monitoring system, wherein the gas monitoring system is used for monitoring the content of harmful gas in a farm base, and the room temperature online monitoring system is used for monitoring the temperature change of the farm base in real time;

the feed mixing system is used for providing feed required by livestock breeding for a farm base, the feed mixing system adopts main materials and fermented feed to be mixed, and the mixing proportion of the main materials and the fermented feed can be carried out according to the content of harmful gas monitored by the gas monitoring system;

the water using system is used for providing water required by cultivation for the farm base, and further comprises a water temperature adjusting system;

the flushing and cleaning system is used for flushing and cleaning excrement in the farm base, and water adopted by the system is purified water and/or clear water.

3. The biogas slurry purification-based vegetable planting system of claim 1, wherein the pollutant treating system comprises:

the excrement and urine collecting system also comprises a collecting and mixing pool for collecting the excrement and urine generated by the farm base, and the adopted collecting mode is full-quantity non-separation collection;

the biogas slurry fermentation system comprises a fermentation tank, and is used for putting the excrement and urine collected in the collection and mixing tank into the fermentation tank for fermentation treatment, and the fermentation treatment is carried out to form biogas, biogas slurry and biogas residues;

the biogas utilization system is used for conveying biogas generated by the biogas slurry fermentation system through a pipe network for utilization;

the biogas slurry collecting tank is used for receiving biogas slurry generated by the biogas slurry fermentation system, carrying out aeration treatment on the collected biogas slurry and conveying the biogas slurry for utilization through a pipeline;

and the biogas residue treatment system is used for collecting biogas residues generated by the biogas slurry fermentation system and carrying out hazardous waste treatment.

4. The biogas slurry purification-based vegetable planting system of claim 1, wherein the planting production system comprises:

a vegetable planting factory for planting vegetables;

the biogas slurry adjusting tank is used for adjusting the water quantity and/or water quality of input biogas slurry, the adjustment treatment comprises the adjustment of PH value, ammonia nitrogen or temperature, pre-aeration treatment is carried out after the adjustment treatment, and the adjusted biogas slurry is conveyed by a pipeline for utilization;

the water and fertilizer integrated treatment system receives the adjusted biogas slurry conveyed by the pipeline, and adds purified water and fertilizer to prepare into fertilizer liquid required by vegetable planting according to the fertilizer requirement characteristics of different planted vegetables;

and the clear water system is used for providing required clear water for the biogas slurry adjusting tank and the water and fertilizer integrated treatment and conveying.

5. The biogas slurry purification-based vegetable planting system of claim 4, wherein the vegetable planting factory is multi-layered, and each layer is provided with an aquatic vegetable planting pond and/or a terrestrial vegetable planting area;

each layer is provided with a ventilation device, and the top of the vegetable planting factory is of an umbrella-shaped structure.

6. The biogas slurry purification-based vegetable planting system of claim 5, wherein the terrestrial vegetable planting area is provided with a drip irrigation device.

7. The vegetable planting system based on biogas slurry purification of claim 5, wherein the aquatic vegetable planting pond further comprises a soilless vegetable planting system and a wetland purification planting system, and water purified by the soilless vegetable planting system and the wetland purification planting system is recycled to the flushing cleaning system and the clean water system for utilization.

8. The vegetable planting system based on biogas slurry purification of claim 5, wherein the vegetable planting factory further comprises a certain number of spraying systems per floor.

Technical Field

The invention relates to the technical field of vegetable planting systems, in particular to a vegetable planting system based on biogas slurry purification.

Background

A large amount of organic wastes (such as livestock and poultry manure, industrial sludge, kitchen garbage and the like) are subjected to anaerobic fermentation, and then the fermented products are returned to a soil ecosystem as fertilizers to be a main means adopted by various countries in the world for treating wastes.

Garbage and pollutants are misplaced resources, and are the treatment problem of pollutants on the basis of full utilization of resources, but more environment is mainly treated according to standards at present, particularly treated on agricultural pollutants, and non-point source pollution of agriculture and breeding industry is reduced, so that a 'planting and breeding combined' mode for combining breeding industry and planting industry is necessarily formed, so that the total amount of excrement generated by the breeding industry is returned to the field, and the abuse condition of chemical fertilizers in the planting industry is reduced. Based on the reason, this application provides a vegetable planting system based on natural pond liquid purifies.

Disclosure of Invention

The embodiment of the application provides a vegetable planting system based on biogas slurry purification, has realized the recycle to the fecaluria pollutant that aquaculture produced, for the planting industry provides the required fertilizer of planting to this has reduced the use of planting industry to the chemical fertilizer, and planting system still provides purification treatment for the fecaluria pollutant that aquaculture produced simultaneously, and the combination of farming system and planting system has realized complemental, has improved agricultural economic benefits.

The embodiment of the application provides a vegetable planting system based on biogas slurry purification, including the farming systems who is used for the wisdom breed of domestic animal and management, the planting production system who is used for planting and production of vegetables and the pollutant processing system who is used for retrieving the processing and recycling of all kinds of pollutants that produce in farming systems and the production activity of planting production system.

Furthermore, the culture system comprises a culture farm base, a culture farm monitoring system, a feed mixing system, a water using system and a flushing and cleaning system;

the farm base is used for breeding livestock;

the system comprises a plant monitoring system, a gas monitoring system and a room temperature online monitoring system, wherein the gas monitoring system is used for monitoring the content of harmful gas in a plant base, and the room temperature online monitoring system is used for monitoring the temperature change of the plant base in real time;

the feed mixing system is used for providing feed required by livestock breeding for a farm base, the feed mixing system adopts main materials and fermented feed to be mixed, and the mixing proportion of the main materials and the fermented feed can be carried out according to the content of harmful gas monitored by the gas monitoring system;

the water system is used for providing water required by cultivation for the base of the farm, and also comprises a water temperature adjusting system;

the flushing and cleaning system is used for flushing and cleaning excrement in the farm base, and water adopted by the system is purified water and/or clear water.

Further, the pollutant treatment system comprises a feces and urine collection system, a biogas slurry fermentation system, a biogas utilization system, a biogas slurry collection tank and a biogas residue treatment system;

the excrement and urine collecting system also comprises a collecting and mixing pool, wherein the collecting and mixing pool is used for collecting excrement and urine generated by a farm base, and the adopted collecting mode is full-quantity non-separation collecting;

the biogas slurry fermentation system comprises a fermentation tank, a mixing tank and a fermentation tank, wherein the fermentation tank is used for placing the excrement and urine collected in the mixing tank for fermentation treatment, and the fermentation treatment is carried out to form biogas, biogas slurry and biogas residues;

the biogas utilization system is used for conveying biogas generated by the biogas slurry fermentation system through a pipe network for utilization;

the biogas slurry collecting tank is used for receiving biogas slurry generated by the biogas slurry fermentation system, carrying out aeration treatment on the collected biogas slurry and conveying the biogas slurry to be utilized through a pipeline;

the biogas residue treatment system collects biogas residues generated by the biogas slurry fermentation system and carries out hazardous waste treatment.

Furthermore, the planting production system comprises a vegetable planting factory, a biogas slurry adjusting tank, a water and fertilizer integrated treatment system and a clear water system;

the vegetable planting factory is used for planting vegetables;

the biogas slurry adjusting tank is used for adjusting the water quantity and/or water quality of input biogas slurry, the adjustment treatment comprises the adjustment of PH value, ammonia nitrogen or temperature, pre-aeration treatment is carried out after the adjustment treatment, and the adjusted biogas slurry is conveyed by a pipeline for utilization;

the water and fertilizer integrated treatment system receives the adjusted biogas slurry conveyed by the pipeline, and according to the fertilizer requirement characteristics of different planted vegetables, purified water and fertilizer are added for blending to form fertilizer liquid required by vegetable planting;

and the clear water system is used for providing required clear water for the biogas slurry adjusting tank and the water and fertilizer integrated treatment and conveying.

Further, the vegetable planting factory is multilayer, and every layer is provided with aquatic vegetable planting pond and/or terrestrial vegetable planting district, every layer all is provided with ventilation unit, the top of vegetable planting factory is umbrella-shaped structure.

Furthermore, a drip irrigation device is arranged in the terrestrial vegetable planting area.

Furthermore, the aquatic vegetable planting pond also comprises a soilless vegetable planting system and a wetland purification planting system, and water purified by the soilless vegetable planting system and the wetland purification planting system is recycled to the flushing and cleaning system and the clear water system for utilization.

Furthermore, the vegetable planting factory also comprises a certain number of spraying systems arranged on each layer.

The technical scheme provided in the embodiment of the application at least has the following technical effects or advantages:

1. the fecaluria pollutant that farming systems produced among the planting system of this application embodiment is handled through pollutant processing system and is added the resource and recycle, and its natural pond liquid supplies to plant the production system and regard as crop nutrient substance, and simultaneously, plant the production system and also carry out the fecaluria pollutant processing that farming systems produced, in addition, the marsh gas that produces is used for generating electricity as clean energy and supplies the planting system to use. The problem of the pollutant of aquaculture handles and utilizes is solved, the environmental protection of pollutant is handled the problem, provides the planting industry simultaneously and uses, great saving planting cost, whole planting system operation cost reduces, has improved economic benefits.

2. The breeding system monitors the room temperature of the base of the breeding farm through the monitoring system, so that heat preservation and water retention measures in the breeding farm are made, good preventive measures are provided for livestock breeding, meanwhile, the monitored harmful gas content is fed back to the reasonable proportioning feed of the feed mixing system to be eaten by livestock, intelligent breeding management is achieved, and meanwhile, a water system and a flushing and cleaning system are equipped, so that good guarantee and environment are provided for the growth of the livestock.

3. The pollutant treatment system can absolutely and completely collect the excrement pollutants, ferment and recycle the pollutants, and reasonably utilize the produced biogas and biogas slurry, thereby greatly reducing the operation cost of the whole system and realizing effective environmental protection treatment.

4. The planting production system effectively utilizes the fecaluria pollutant resources of the culture system to carry out planting, thereby greatly reducing the use of chemical fertilizers, pesticides and the like, and simultaneously carrying out purification treatment on the biogas slurry to form purified water for recycling; the whole planting production system is reasonable in regional setting, strong in functional diversity, low in planting cost and high in economic value.

Drawings

FIG. 1 is a schematic view of a planting system according to the present embodiment;

FIG. 2 is a schematic view of a vegetable planting factory according to the present embodiment;

fig. 3 is a schematic single-layer diagram of a vegetable planting factory in this embodiment.

Detailed Description

This embodiment is through providing a vegetable planting system based on natural pond liquid purifies, manage the breed of domestic animal through the farming systems, the natural pond liquid that its fecaluria pollutant that produces passes through after the pollutant processing system handles provides planting production system and the production usefulness that supplies vegetables, planting production system can purification treatment natural pond liquid again and form the purified water and recycle, whole planting and breeding combination system supports each other, the fecaluria pollutant that has solved current farming production handles or utilizes insufficient technical problem, the chemical fertilizer overuse technical problem who plants production system has also been solved simultaneously, the repeated recovery of resource in the whole planting system, handle, recycle, and whole production activity intelligent management, great improvement agricultural and farming's economic benefits.

In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.

In fig. 1 to 3, a biogas slurry purification-based vegetable planting system includes a cultivation system for intelligent cultivation and management of livestock, a planting production system for planting and production of vegetables, and a pollutant treatment system for recovery, treatment and reuse of various pollutants generated in the production activities of the cultivation system and the planting production system.

The culture system comprises a culture farm base, a culture farm monitoring system, a feed mixing system, a water using system and a flushing and cleaning system; farms are used for the farming of livestock (e.g., swine farming), and may be multiple farms, as well as a source of manure contaminants.

The farm monitoring system also comprises a gas monitoring system and a room temperature online monitoring system, and the atmospheric pollutant content and the temperature change in the farm base are fed back in real time; the gas monitoring system is used for monitoring the content of harmful gases in a farm base, such as the content of ammonia gas and hydrogen sulfide and the content of pollution gases discharged to the atmosphere by the animals through excretion after feeding animal feed, so that the feed ratio for feeding livestock is prepared, the reasonable feed ratio ensures that the animals obtain sufficient nutrition every day, the content of main atmospheric pollutants in the farm can be kept at a low value for a long time, and people can not smell odor when staying in the farm.

The room temperature online monitoring system is used for monitoring the temperature change of a farm base in real time, and is used for reminding farmers to take heat preservation and water retention measures in the farm in time when encountering the temperature change, so that the condition that the organism of an animal is damaged by diseases and influences the growth, fattening and reproduction of the animal, and the slaughtering rate, the meat quality and the economic loss are caused is avoided.

The feed mixing system is used for providing feed required by livestock breeding for a farm base, the feed mixing system adopts main materials and fermented feed to be mixed, and the mixing proportion of the main materials and the fermented feed can be carried out according to the content of harmful gas monitored by the gas monitoring system.

The water supply system is mainly used for adjusting the body temperature of livestock, transporting nutrient substances, biochemical reaction of the livestock and lubrication and protection of the livestock, and also comprises a water temperature adjusting system, because the livestock have larger stress reaction when drinking cold water in winter, and simultaneously consume more energy of the animals.

The washing and cleaning system is used for washing and cleaning excrement of the farm base, and water adopted by the system is purified water and/or clear water, wherein the purified water is obtained by purifying biogas slurry by the planting production system; on one hand, the water consumption is saved, and the cost is reduced; on the other hand, the neatness and cleanness in the base of the farm are kept.

The pollutant treatment system comprises a feces and urine collection system, a biogas slurry fermentation system, a biogas utilization system, a biogas slurry collection tank and a biogas residue treatment system.

The excrement and urine collecting system also comprises a collecting and mixing pool which is used for collecting the excrement and urine generated by the base of the farm, and the adopted collecting mode is full-quantity non-separation collecting, so that the system pollution of rivers and underground water and the soil pollution caused by the discharge and leakage of the excrement and urine to other environments are avoided; moreover, the collection mode of solid-liquid separation can ensure that the nutrients in the excrement and urine are not lost and balanced, and the resource utilization is more convenient and comprehensive. The collecting and mixing tank is adopted to collect most of the collected excrement and urine pollutants in an open type relative to the current livestock and poultry breeding, so that the collected excrement and urine pollutants are not easy to flow out (especially the collected excrement and urine pollutants are easy to spread out in rainy days relative to the current open type collection), the surrounding environment is not polluted, and troubles, such as peculiar smell and the like, for the life of surrounding residents are not caused.

The biogas slurry fermentation system comprises a fermentation tank, and is used for placing the excrement collected in the collection mixing tank into the fermentation tank for fermentation treatment, and the fermentation treatment forms biogas, biogas slurry and biogas residues which are reasonably distributed and utilized through a pipe network.

The biogas utilization system is used for conveying biogas generated by the biogas slurry fermentation system through a pipe network for utilization, and the biogas is used as clean energy for power generation to provide required power for each system and living area, so that resource recycling is effectively achieved, and the use of integral high-energy-consumption energy is reduced.

The biogas slurry collecting tank is used for receiving biogas slurry generated by the biogas slurry fermentation system, carrying out aeration treatment on the collected biogas slurry, conveying the biogas slurry through a pipeline for utilization, and providing the biogas slurry for planting vegetables or crops of the planting production system after treatment.

The biogas residue treatment system collects biogas residues generated by the biogas slurry fermentation system, carries out hazardous waste treatment, and sends the generated biogas residues to a professional hazardous waste treatment company for resource treatment, and can also be used for planting crops.

The planting production system comprises a vegetable planting factory, a biogas slurry adjusting tank, a water and fertilizer integrated treatment system and a clear water system; the vegetable planting factory is used for planting vegetables; the vegetable planting factory is provided with a plurality of layers, generally three layers, the top of the vegetable planting factory is of an umbrella structure, the umbrella structure at the top is favorable for lighting and ventilation, and each layer is provided with an aquatic vegetable planting pool and/or a terrestrial vegetable planting area. The aquatic vegetable planting pool can plant the following crops: one or more of plants such as herba Apii Graveolentis, caulis et folium Ipomoeae (water spinach), and rhizoma Nelumbinis; the flower species can be one or more of water lily, loosestrife, religious flower and iris. The crops have economic value and ornamental value, and can purify water. The types of crops which can be planted in the terrestrial vegetable planting area are as follows: one or more of economic plants such as asparagus lettuce, radish, soybean, pea, cabbage and the like.

Each layer of the vegetable planting factory is also provided with an operation channel, and the operation channel is a moving channel for harvesting cress vegetables through manual or mechanical operation; each layer is provided with a ventilation device; a drip irrigation device is arranged in the terrestrial vegetable planting area; the aquatic vegetable planting pool also comprises a soilless vegetable planting system and a wetland purification planting system. Wherein, the wetland purification planting system can plant emergent aquatic plants; the emergent aquatic plants can be selected from one or more of cabbages, cress or watercress, and the water purified by the soilless vegetable planting system and the wetland purification planting system is recycled to the flushing and cleaning system and the clear water system for utilization, so that the consumption of fresh clear water is reduced, the water resource is saved, and the operation and maintenance cost is reduced.

Vegetable planting mill still includes the every layer and is equipped with the water-spraying system of certain quantity, water-spraying system passes through the pipeline, water dropper and shower nozzle form drip irrigation and spraying, it is even, regularly, the quantitative crop root system that infiltrates grows the region, make main root system soil remain loose and suitable water content throughout, can promote the quick and good growth of crop and use simultaneously and handle the spraying natural pond liquid and moisten the blade surface of plant, also can make vegetation healthier, fast, if water cress class aquatic vegetables especially, there is certain requirement to the humidity of air, humidity is big, can let vegetables more fresh and tender, increase the taste, and the quality is superior to and improves economic benefits.

The biogas slurry adjusting tank is used for adjusting the water quantity and/or water quality of input biogas slurry, the specific adjustment treatment comprises adjustment of pH value, ammonia nitrogen or temperature, the pH value and ammonia nitrogen concentration of the biogas slurry are adjusted to be in the most appropriate range required by growth of planted crops or vegetables, pre-aeration treatment is carried out after adjustment treatment, and the adjusted biogas slurry is conveyed by a pipeline to be utilized. The water and fertilizer integrated treatment system can receive the adjusted biogas slurry conveyed by the pipeline, and according to the fertilizer requirement rules and characteristics of different planted vegetables, clean water and fertilizer are added to be prepared to form fertilizer liquid required by vegetable planting, and then the fertilizer liquid is conveyed to the corresponding vegetable planting base.

And the clear water system is used for providing required clear water for the biogas slurry adjusting tank and the water and fertilizer integrated treatment and conveying.

Of course, it should be noted that the harvested vegetable crops are processed, and the fresh products can be sold or further processed, but the crude products can be used for livestock breeding of a breeding system, such as being used as raw materials of fermented feed.

In summary, in the planting system of the embodiment of the present application, the feces and urine pollutants generated by the cultivation system are recycled by the pollutant treatment system, wherein the cultivation system also performs intelligent cultivation management; the processed products are fully used, for example, biogas is used as clean energy to generate electricity, and the biogas slurry is further used as nutrient substances for planting crops or vegetables in a planting production system. The whole system is combined in planting and breeding, intelligent management is achieved, resources are reasonably utilized, energy efficiency and operation cost are saved, and meanwhile, the overall economic benefit is improved.

Finally, the effect of the planting system is described by combining the specific data after the technical scheme of the embodiment of the application is implemented:

A. cost-effectiveness:

1. the investment of fixed equipment of a pollution treatment plant which needs to be built for discharging pollutants generated by cultivation up to the standard is 200 ten thousand yuan, and 20 ten thousand yuan is averagely needed every year according to the service life of ten years.

2. The variety with high biomass, high yield and high added value of the planted crops or vegetables selected by the planting production system has higher economic value. Such as: the 1 mu cress planting can treat pollutants generated by the cultivation of 150 pigs, and the cost of each pig is saved by 220 yuan.

3. The nutrition of the live pigs fed by the water cress crude product leftover feed is obviously improved, the price is increased along with the increase of the nutrition, and the comparison result of main nutrition data is improved. 1 jin of live pigs fed by the fermented feed is increased by 1 Yuan, 1 pig has 20 jin of net meat, and 1 pig has 20 Yuan in 1 year.

B. Ecological benefits are as follows:

1. the biogas slurry is a fertilizer, has good bactericidal effect, can greatly reduce the use of chemical fertilizers and pesticides, and can save the expenses of pesticides and chemical fertilizers by 500 yuan per mu of crop planting every year.

2. The water resource has been practiced thrift: the biogas slurry zero-emission technology is used, and the water is recycled for many times through the design of the whole system.

3. The technology of pipeline transportation, sprinkling irrigation and drip irrigation in the field is adopted, the labor intensity is reduced, and a working post is provided for the old.

4. The planting production system is an intensive planting crop, saves land resources and protects the soil and the rest and the health of cultivated land.

C. Economic benefits are as follows:

1. the traditional cress is planted and harvested 1 time in 1 year and later expanded for 2 times. Later on, the high-temperature technology of the summer celery is overcome, and some can reach 3 times. The planting system can introduce cress into the treatment of the culture sewage in a soilless planting mode, and can harvest for 4-5 times or even 6-7 times in one year.

2. The planting system combines the breeding sewage treatment of breeding enterprises, adopts a vegetable factory planting mode, utilizes methane power generation to generate heat to adjust the proper temperature of production, for example, the production time of cress is shortened from 60 days to 40 days in the prior art, the cress can be mature within 20-30 days, the cress can be harvested for 12-15 times in one year, and the high efficiency can reach 20 times. The yield is far higher than that of a professional cress grower, and the benefit is high. Meanwhile, pollution treatment of the farm is also carried out.

3. The actual measured yield can be up to 1m2The yield of the cress is 12kg, and the yield of 12 crops (recorded according to the minimum 12 times of harvest) is 144 kg. 1kg of cress with wholesale price of 2 yuan, 1m2288 yuan of economic benefit can be generated each year. 1 mu of field 667m219 ten thousand yuan can be produced each year.

Therefore, the planting system of the embodiment of the application achieves reasonable utilization of resources, brings remarkable cost benefits, ecological benefits and economic benefits, has strong practicability and is worthy of popularization.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

11页详细技术资料下载
上一篇:一种医用注射器针头装配设备
下一篇:一种猪流感防疫用病菌杀灭及环境监控养殖舍

网友询问留言

已有0条留言

还没有人留言评论。精彩留言会获得点赞!

精彩留言,会给你点赞!