drainage pipeline

常见例句

Urban rainwater collection can realize water resource conservation, decrease pressure of drainage pipeline and improve urban ecological environment etc.
城市雨水收集可实现水资源涵养、降低排水管道的压力和改善城市生态环境等目标。
xdyl.net
Foundation treatment, water proof measures, design principle and characteristic of feed water and drainage pipeline in collapsible loess area were introduced.
由于湿陷性黄土的特性，湿陷性黄土地区给水排水管道设计越来越引起人们的关注。
Through calculation of concrete instance, it is clear that coal mine main drainage pipeline cleaning by high pressure water jet has remarkable economic benefits.
最后通过对具体实例的计算，说明了清洗煤矿主排水管道具有显著的经济效益。