High-performance regenerated asphalt concrete processing complete equipment

文档序号:1961701 发布日期:2021-12-14 浏览:24次 中文

阅读说明:本技术 一种高性能再生沥青混泥土加工成套设备 (High-performance regenerated asphalt concrete processing complete equipment ) 是由 左重全 龚崇阳 于 2021-08-23 设计创作,主要内容包括:本发明公开了一种高性能再生沥青混泥土加工成套设备,包括初步混合装置,所述初步混合装置的侧端位置连通有加工混合装置,所述加工混合装置的底部位置一端连通有第一初步过滤装置,所述加工混合装置的底部位置另一端连通有第二初步过滤装置,所述初步混合装置包括混合结构和连通结构,所述连通结构设在初步混合装置的内端底部位置,所述连通结构的上端位置与混合结构相连通设置,所述混合结构包括第一电动机、盖板架、第二电动机、套柱架和反应釜,所述第一电动机安装在混合结构的内端顶部位置,所述第一电动机的下端与盖板架相贯通设置。本发明为高性能再生沥青混泥土加工成套设备,通过初步混合装置的设置,实现内端初步混合的目的。(The invention discloses a high-performance regenerated asphalt concrete processing complete equipment which comprises a primary mixing device, wherein the side end of the primary mixing device is communicated with a processing mixing device, one end of the bottom of the processing mixing device is communicated with a first primary filtering device, the other end of the bottom of the processing mixing device is communicated with a second primary filtering device, the primary mixing device comprises a mixing structure and a communicating structure, the communicating structure is arranged at the bottom of the inner end of the primary mixing device, the upper end of the communicating structure is communicated with the mixing structure, the mixing structure comprises a first motor, a cover plate frame, a second motor, a sleeve column frame and a reaction kettle, the first motor is arranged at the top of the inner end of the mixing structure, and the lower end of the first motor is communicated with the cover plate frame. The invention relates to complete equipment for processing high-performance recycled asphalt concrete, which realizes the purpose of primary mixing at the inner end by arranging a primary mixing device.)

1. The utility model provides a high performance regeneration bituminous concrete processing complete sets, includes preliminary mixing arrangement (1), its characterized in that: and the side end position of the primary mixing device (1) is communicated with a processing mixing device (2).

2. The high performance recycled asphalt concrete processing plant as claimed in claim 1, wherein: one end of the bottom position of the processing and mixing device (2) is communicated with a first primary filtering device (3), and the other end of the bottom position of the processing and mixing device (2) is communicated with a second primary filtering device (4); the preliminary mixing device (1) comprises a mixing structure (5) and a communicating structure (6), the communicating structure (6) is arranged at the bottom position of the inner end of the preliminary mixing device (1), and the upper end position of the communicating structure (6) is communicated with the mixing structure (5); the hybrid structure (5) comprises a first motor (7), a cover plate frame (8), a second motor (9), a column sleeving frame (10) and a reaction kettle (11), wherein the first motor (7) is installed at the top of the inner end of the hybrid structure (5), the lower end of the first motor (7) is communicated with the cover plate frame (8), the lower end of the cover plate frame (8) is closed with the reaction kettle (11), the column sleeving frame (10) is arranged at the side end of the reaction kettle (11), and the second motor (9) is installed at the top of the column sleeving frame (10); the connecting structure (6) comprises a processing pump (12), a mounting and stabilizing frame (13), a connecting pipe orifice (14), a connecting pipeline (15), a storage disc (16) and a connecting vertical pipe (17), the connecting pipeline (15) is arranged at the bottom of the inner end of the connecting structure (6), one end of the connecting pipeline (15) is communicated with the storage disc (16), the upper end of the storage disc (16) is communicated with the connecting pipe orifice (14), the side end of the connecting pipe orifice (14) is positioned on the storage disc (16) and fixedly connected with the mounting and stabilizing frame (13), the side end of the storage disc (16) is communicated with the connecting vertical pipe (17), and the top of the connecting vertical pipe (17) is provided with the processing pump (12); the processing mixing device (2) comprises a reaction structure (18) and a conduction structure (19), the reaction structure (18) is arranged at the top of the inner end of the processing mixing device (2), and the lower end of the reaction structure (18) is communicated with the conduction structure (19); the reaction structure (18) comprises a third motor (20), a sleeve disc top frame (21) and a reaction treatment barrel (22), the reaction treatment barrel (22) is arranged at the bottom of the inner end of the reaction structure (18), the upper end of the reaction structure (18) is fixedly connected with the sleeve disc top frame (21), and the third motor (20) is arranged at the top of the sleeve disc top frame (21); the reaction structure (18) further comprises a rotating frame (23), a stable sleeve disc frame (24), a connecting ring winding disc (25) and a rotating plug frame (26), wherein the rotating plug frame (26) is rotatably connected to the bottom end of the sleeve disc top frame (21), the lower end of the rotating plug frame (26) is fixedly connected with the rotating frame (23), the bottom of the rotating frame (23) is fixedly connected with the stable sleeve disc frame (24), and the bottom of the stable sleeve disc frame (24) is fixedly connected with the connecting ring winding disc (25); the conduction structure (19) comprises a conduction port (27), a communication main pipe (28) and a communication branch pipe (29), the communication main pipe (28) is arranged at the center of the inner end of the conduction structure (19), the side end of the communication main pipe (28) is communicated with the communication branch pipe (29), and the top of the communication main pipe (28) is communicated with the conduction port (27); the first primary filtering device (3) comprises a filtering net rack (30), a communicating pipeline end (31), a transmission guide groove (32), an arc-shaped partition plate (33) and a rotating roller rack (34), wherein the transmission guide groove (32) is formed in the bottom of the inner end of the first primary filtering device (3), the arc-shaped partition plate (33) is arranged at the upper end of the transmission guide groove (32), the rotating roller rack (34) is rotatably connected to the top position of the arc-shaped partition plate (33), the side end position of the rotating roller rack (34) is fixedly connected with the filtering net rack (30), and the side end position of the arc-shaped partition plate (33) is communicated with the communicating pipeline end (31); the communicating pipeline end (31) is communicated with the side end of the communicating branch pipe (29).

3. The high performance recycled asphalt concrete processing plant according to claim 2, wherein: the upper end position of the conduction port (27) is communicated with the bottom of the reaction processing barrel (22).

4. The high performance recycled asphalt concrete processing plant according to claim 3, wherein: the communicating pipe orifice (14) is communicated with the bottom position of the reaction kettle (11).

5. The high performance recycled asphalt concrete processing plant according to claim 4, wherein: the communicating structure (6) is communicated with the outside through a communicating pipeline (15).

Technical Field

The invention relates to the technical field of asphalt concrete equipment, in particular to complete high-performance regenerated asphalt concrete processing equipment.

Background

According to the Chinese patent No. CN211571323U, the utility model belongs to the technical field of asphalt processing equipment, in particular to a high-performance recycled asphalt concrete processing complete equipment, which comprises a device main body, a waste asphalt regenerant pump, an old asphalt mixture crusher and an outer cylinder, wherein the other side of the bottom end of the device main body is fixedly connected with the waste asphalt regenerant pump, one side of the waste asphalt regenerant pump is fixedly connected with the old asphalt mixture crusher, one side of the top part of the old asphalt mixture crusher is movably connected with a transmission belt, the bottom end of the transmission belt is fixedly connected with a feed inlet, the feed inlet is arranged at the bottom end of the transmission belt, so that the old asphalt can fall into the feed inlet, then a motor at the bottom of the feed inlet is started, the old asphalt is stirred by an extension knife edge at the periphery of a stirring rotating head, the solid-state fluidity of the old asphalt is increased, so that the old asphalt can smoothly pass through the feed inlet, therefore, through an anti-blocking mechanism, the condition that the feed inlet is blocked is avoided, and the working efficiency of the device main body is improved.

The invention relates to a production device, in particular to a mineral powder production device for a traffic road asphalt-concrete pavement surface layer according to a Chinese patent number CN 106938212A. The invention aims to provide a mineral powder production device for a traffic road asphalt concrete pavement surface layer, which is convenient to add ores and can crush the ores in multiple directions. In order to solve the technical problem, the invention provides a mineral powder production device for a traffic road asphalt-concrete pavement surface layer, which comprises a grinding box, a first bearing seat, a first rotating rod, a crushing rod, a first filter screen, a driving mechanism and the like; the upper, lower, left and right sides of the upper parts of the left and right walls of the grinding box are connected with 4 first bearing seats. The ore crushing machine is provided with the driving mechanism, and the first rotating rods on the upper side and the lower side are continuously and reversely rotated alternately by controlling the motor to rotate, so that the aim of completely crushing ores can be fulfilled.

The complete equipment for processing the high-performance recycled asphalt concrete can help complete processing work of the high-performance recycled asphalt concrete, and through the arrangement of the complete equipment for processing the high-performance recycled asphalt concrete, can improve the quality of the recycled concrete, control the quality from the source, facilitate the screening work of the inner end, produce and process the high-performance recycled asphalt concrete with qualified quality, thereby realizing the purpose of controlling the overall quality, being beneficial to improving the production grade of the regenerated asphalt concrete, and the complete equipment for processing the high-performance recycled asphalt concrete is arranged, so that the rapid inspection is convenient and fast, the productivity is improved, and can not cause subsequent interference, realize cooperative inspection transmission work, conveniently carry out quick the use of erectting, but present high performance regeneration asphalt concrete processing complete sets still has following problem:

the phenomenon that the complete set of matching of the inner ends is inconvenient to carry out can cause certain inconvenience in operation, and the phenomenon that the inner ends are inconvenient to carry out multiple mixing and stirring production also exists, so that improvement is needed.

Disclosure of Invention

The invention aims to provide a high-performance recycled asphalt concrete processing complete equipment to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a high-performance regenerated asphalt concrete processing complete equipment comprises a primary mixing device, wherein a processing and mixing device is communicated with the side end position of the primary mixing device, a first primary filtering device is communicated with one end of the bottom position of the processing and mixing device, and a second primary filtering device is communicated with the other end of the bottom position of the processing and mixing device;

the preliminary mixing device comprises a mixing structure and a communicating structure, the communicating structure is arranged at the bottom of the inner end of the preliminary mixing device, and the upper end of the communicating structure is communicated with the mixing structure;

the hybrid structure comprises a first motor, a cover plate frame, a second motor, a column sleeving frame and a reaction kettle, wherein the first motor is arranged at the top of the inner end of the hybrid structure, the lower end of the first motor is communicated with the cover plate frame, the lower end of the cover plate frame is closed with the reaction kettle, the column sleeving frame is arranged at the side end of the reaction kettle, and the second motor is arranged at the top of the column sleeving frame;

the communicating structure comprises a processing pump, a mounting and stabilizing frame, a communicating pipe orifice, a communicating pipeline, a storage disc and a communicating vertical pipe, the communicating pipeline is arranged at the bottom position of the inner end of the communicating structure, one end of the communicating pipeline is communicated with the storage disc, the upper end position of the storage disc is communicated with the communicating pipe orifice, the side end of the communicating pipe orifice is fixedly connected with the mounting and stabilizing frame on the storage disc, the side end position of the storage disc is communicated with the communicating vertical pipe, and the top position of the communicating vertical pipe is provided with the processing pump;

the processing mixing device comprises a reaction structure and a conduction structure, the reaction structure is arranged at the top of the inner end of the processing mixing device, and the lower end of the reaction structure is communicated with the conduction structure;

the reaction structure comprises a third motor, a sleeve disc top frame and a reaction treatment barrel, the reaction treatment barrel is arranged at the bottom of the inner end of the reaction structure, the upper end of the reaction structure is fixedly connected with the sleeve disc top frame, and the third motor is arranged at the top of the sleeve disc top frame;

the reaction structure further comprises a rotating frame, a stable sleeve disc frame, a connecting ring winding disc and a rotating plug frame, wherein the rotating plug frame is rotatably connected to the bottom end of the sleeve disc top frame, the lower end of the rotating plug frame is fixedly connected with the rotating frame, the bottom of the rotating frame is fixedly connected with the stable sleeve disc frame, and the bottom of the stable sleeve disc frame is fixedly connected with the connecting ring winding disc;

the conduction structure comprises a conduction port, a communication main pipe and a communication branch pipe, the communication main pipe is arranged at the center of the inner end of the conduction structure, the side end of the communication main pipe is communicated with the communication branch pipe, and the top of the communication main pipe is communicated with the conduction port;

first prefilter unit includes filter screen frame, communicating pipe end, transmission guide slot, arc division board and rotation roller frame, the inner bottom at first prefilter unit is established to the transmission guide slot, the upper end of transmission guide slot is equipped with the arc division board, the top position of arc division board rotates and is connected with the rotation roller frame, the side position and the filter screen frame looks fixed connection of rotation roller frame, the side position and communicating pipe end of arc division board are linked together.

Preferably, the communicating pipe end is communicated with the side end of the communicating branch pipe.

Compared with the prior art, the invention has the beneficial effects that:

one, through installing preliminary mixing arrangement, preliminary mixing arrangement's inner can carry out preliminary stirring work for the asphalt concrete that regeneration was melted can carry out built-in stirring, carries out abundant stirring and breaks up work, and can carry out the joining work of admixture, conveniently carries out built-in joining, helps the mixed stirring operation of inner, realizes asphalt concrete's regeneration function.

Two, through installation processing mixing arrangement, processing mixing arrangement can carry out the mixture once more, realize the dropwise add of admixture and mix, the help carries out the remixing of inner, realize the joining of multistage formula, help improving the efficiency of reaction, realize the control function on the flow, through installing first prefilter and second prefilter, first prefilter and second prefilter can help carrying out subsequent preliminary screening and filter, conveniently carry out the control of quality, realize the intercommunication of later process.

Third, through erection joint transmission band and firm mount pad, connect the transmission band and establish the side position at the arc division board with firm mount pad, through control, realize filterable function, and connect the transmission band and can discharge filterable filter residue, realize mechanized integrative operation, firm mount pad help connects the bearing support work of transmission band, conveniently carries out first primary filter's inner erection joint.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of the main structure of the present invention;

FIG. 2 is a schematic structural diagram of a preliminary mixing device according to the present invention;

FIG. 3 is a schematic structural view of a hybrid structure of the present invention;

FIG. 4 is a schematic structural view of a communication structure according to the present invention;

FIG. 5 is a schematic view of the mixing apparatus of the present invention;

FIG. 6 is a schematic structural view of a reaction structure of the present invention;

FIG. 7 is a schematic view of a split structure of the reaction structure of the present invention;

FIG. 8 is a schematic structural view of a conductive structure of the present invention;

FIG. 9 is a schematic view of a first preliminary filtering apparatus according to the present invention;

FIG. 10 is a schematic structural diagram of a second embodiment of the first preliminary filtering device of the present invention.

In the figure: 1-preliminary mixing means; 2-processing the mixing device; 3-a first preliminary filtration device; 4-a second preliminary filtration device; 5-a mixed structure; 6-a communicating structure; 7-a first motor; 8-cover plate frame; 9-a second motor; 10-set of column frame; 11-a reaction kettle; 12-a treatment pump; 13-installing a stabilizing frame; 14-a communicating pipe orifice; 15-a connecting pipe; 16-a storage disk; 17-a communication riser; 18-a reactive structure; 19-a conductive structure; 20-a third motor; 21-set tray top frame; 22-a reaction treatment barrel; 23-a turret; 24-stabilizing the sleeve plate frame; 25-connecting the ring-wound disc; 26-rotating the plug frame; 27-a conduction port; 28-a communication manifold; 29-a communicating branch; 30-a filter screen frame; 31-communicating pipe end; 32-a transport channel; 33-arc partition plate; 34-a rotating roll stand; 35-connecting a transmission band; 36-secure mount.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

The invention is further described below with reference to the accompanying drawings.

Example 1

A high-performance regenerated asphalt concrete processing complete equipment is shown in figure 1 and comprises a primary mixing device 1, wherein a processing and mixing device 2 is communicated with the side end position of the primary mixing device 1, one end of the bottom position of the processing and mixing device 2 is communicated with a first primary filtering device 3, and the other end of the bottom position of the processing and mixing device 2 is communicated with a second primary filtering device 4;

as shown in fig. 2, the preliminary mixing device 1 includes a mixing structure 5 and a communicating structure 6, the communicating structure 6 is arranged at the bottom position of the inner end of the preliminary mixing device 1, and the upper end position of the communicating structure 6 is communicated with the mixing structure 5;

as shown in fig. 3, the mixing structure 5 includes a first motor 7, a cover plate frame 8, a second motor 9, a column sleeving frame 10 and a reaction kettle 11, the first motor 7 is installed at the top position of the inner end of the mixing structure 5, the lower end of the first motor 7 is communicated with the cover plate frame 8, the lower end of the cover plate frame 8 is closed with the reaction kettle 11, the column sleeving frame 10 is installed at the side end of the reaction kettle 11, and the second motor 9 is installed at the top position of the column sleeving frame 10;

as shown in fig. 4, the communicating structure 6 includes a processing pump 12, a mounting and stabilizing frame 13, a communicating pipe orifice 14, a communicating pipe 15, a storage disc 16 and a communicating vertical pipe 17, the communicating pipe 15 is arranged at the bottom position of the inner end of the communicating structure 6, one end of the communicating pipe 15 is communicated with the storage disc 16, the upper end position of the storage disc 16 is communicated with the communicating pipe orifice 14, the side end of the communicating pipe orifice 14 is fixedly connected with the mounting and stabilizing frame 13 on the storage disc 16, the side end position of the storage disc 16 is communicated with the communicating vertical pipe 17, and the top position of the communicating vertical pipe 17 is provided with the processing pump 12;

as shown in fig. 5, the processing and mixing device 2 includes a reaction structure 18 and a conduction structure 19, the reaction structure 18 is disposed at the top position of the inner end of the processing and mixing device 2, and the lower end of the reaction structure 18 is communicated with the conduction structure 19;

as shown in fig. 6, the reaction structure 18 includes a third motor 20, a tray set top frame 21 and a reaction treatment barrel 22, the reaction treatment barrel 22 is arranged at the bottom of the inner end of the reaction structure 18, the upper end of the reaction structure 18 is fixedly connected with the tray set top frame 21, and the third motor 20 is arranged at the top of the tray set top frame 21;

as shown in fig. 7, the reaction structure 18 further includes a rotating frame 23, a stable sleeve disc frame 24, a connecting ring winding disc 25 and a rotating plug frame 26, the rotating plug frame 26 is rotatably connected to the bottom end of the sleeve disc top frame 21, the lower end of the rotating plug frame 26 is fixedly connected to the rotating frame 23, the bottom of the rotating frame 23 is fixedly connected to the stable sleeve disc frame 24, and the bottom of the stable sleeve disc frame 24 is fixedly connected to the connecting ring winding disc 25;

as shown in fig. 8, the conducting structure 19 includes a conducting port 27, a communicating manifold 28 and a communicating branch 29, the communicating manifold 28 is arranged at the center position of the inner end of the conducting structure 19, the side end position of the communicating manifold 28 is communicated with the communicating branch 29, and the top position of the communicating manifold 28 is communicated with the conducting port 27;

as shown in fig. 9, the first preliminary filtering device 3 includes a filtering net frame 30, a communicating pipe end 31, a transmission guide groove 32, an arc-shaped partition plate 33 and a rotating roller frame 34, the transmission guide groove 32 is arranged at the bottom of the inner end of the first preliminary filtering device 3, the upper end of the transmission guide groove 32 is provided with the arc-shaped partition plate 33, the top position of the arc-shaped partition plate 33 is rotatably connected with the rotating roller frame 34, the side end position of the rotating roller frame 34 is fixedly connected with the filtering net frame 30, and the side end position of the arc-shaped partition plate 33 is communicated with the communicating pipe end 31.

The communicating pipe end 31 is communicated with the side end position of the communicating branch pipe 29, the upper end position of the conducting port 27 is communicated with the bottom of the reaction processing barrel 22, the communicating pipe orifice 14 is communicated with the bottom position of the reaction kettle 11, the communicating structure 6 is communicated with the outside through the communicating pipe 15, the storage disc 16 is provided with a valve body at the connecting position of the communicating vertical pipe 17, the third motor 20 drives the rotating frame 23, the stable sleeve disc frame 24, the connecting ring winding disc 25 and the rotating plug frame 26 to be rotatably connected at the inner end of the reaction processing barrel 22, the sleeve disc top frame 21 is communicated with the communicating vertical pipe 17 through the top position, and the installation stable frame 13 is fixedly inserted and arranged with the bottom position of the reaction kettle 11.

When the device is used, a user firstly assembles and communicates the primary mixing device 1, the processing and mixing device 2 and the first primary filtering device 3, the device is communicated with the outside through the communicating pipeline 15, the external heated and melted asphalt concrete is placed into the device for working, at the moment, the valve body between the storage disc 16 and the communicating vertical pipe 17 is closed, the melted asphalt concrete reaches the position of the communicating pipe orifice 14 through the storage disc 16 and is communicated with the reaction kettle 11, the additive is added at the moment, the first motor 7 and the second motor 9 are started, the stirring part at the inner end is driven by the first motor 7 and the second motor 9 to carry out stirring movement, the mixing treatment at the inner end is realized, meanwhile, the inner end can be fully stirred and refined, then the valve body is opened, the reacted asphalt concrete is conducted to the position of the communicating vertical pipe 17 under the action of the treatment pump 12, the asphalt mixture reaches the inner end of the sleeve disc top frame 21 through the communicating vertical pipe 17, the lower end of the sleeve disc top frame 21 reaches the position of the reaction treatment barrel 22 through the channel, the additive is continuously dripped, at the moment, the third motor 20 is started, the rotating plug frame 26 is driven to rotate through the third motor 20, the rotating frame 23 with the fixed bottom end, the stable sleeve disc frame 24 and the connecting ring winding disc 25 move along with each other, the stirring and mixing of the inner end are realized, the reaction treatment of the inner end is facilitated, the reacted asphalt mixture reaches the position of the communicating main pipe 28 through the conducting port 27, is conducted to the communicating branch pipe 29 through the communicating main pipe 28, is communicated with the channel communicating pipe end 31, the filter screen body is placed on the filter screen frame 30, the position of the filter screen frame 30 is adjusted through the rotating roller frame 34, the filtering work is carried out through the filter screen frame 30 and the filter screen body, the filtered asphalt mixture reaches the position of the transmitting guide groove 32 through the arc-shaped soil partition plate 33, and the transmission guide groove 32 is communicated with the outside, so that the processing and the production are finished.

Example 2

On the basis of embodiment 1, as shown in fig. 10, the first preliminary filtering device 3 further includes a connecting conveying belt 35 and a fixing mount 36, the fixing mount 36 is fixedly connected to a side end position of the arc-shaped partition plate 33, and an upper end position of the fixing mount 36 is rotatably connected to the connecting conveying belt 35.

This embodiment is when using, through the setting of connecting transmission band 35 and firm mount pad 36, will stabilize mount pad 36 and arc division board 33's side position and carry out fixed connection, will connect transmission band 35 and install the up end at firm mount pad 36, start the driving piece of rear end, drive and connect transmission band 35 and rotate for the filter residue accessible of connecting transmission band 35 upper end is connected transmission band 35 and is discharged.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

16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:一种道路沥青使用的温度调节装置

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!

技术分类