• 1. rain water pipe: 雨水管 | 水落管 | 避雨亭
• 2. rain-water pipe: 雨水管道
• 3. A rain water pipe: 一期雨水管

更多释义

• 1.Rain water pipe through the walls and floor in accordance with the requirements set casing.
  雨水管穿过墙壁和楼板按要求设置套管。
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• 2.Buried depth of rain water pipe should be buried in the frozen line, consideration should be given to the upper part of the load pipeline.
  埋地雨水管的埋没深度应在冰冻线以下，应考虑管线上部的荷载。
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• 3.The two-phase optimization theory was adopted for designing the sewage pipe, and the ground slope consensus method was used for optimization calculation of rain water pipe.
  对污水管道采用两相优化理论设计，对雨水管道采用与地面坡度一致法进行优化计算。
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