阅读说明：本技术 三组角腔双断桥铝合金隔热型材 (Three-group corner cavity double-bridge-cutoff aluminum alloy heat insulation section ) 是由 王广武 于 2021-01-10 设计创作，主要内容包括：三组角腔双断桥隔热型材,铝合金隔热型材中部设两个断桥型材,铝合金三个空心型材与两个断桥型材组合成铝合金三组角腔双断桥隔热型材。(The three hollow aluminum alloy sections and the two bridge-cut sections are combined into the three-group corner cavity double bridge-cut heat insulation aluminum alloy section.)