drainage pipeline network

基本解释

Drainage: Drainage pipeline in the zone connects with municipal pipeline network, so as to make sure that sewage discharges smoothly.
排水：区内的排水管道与市政管网连接，保证污水排放通畅。
www.investment.gov.cn
As the rapid process of city infrastructure construction and urbanization, how to protect the safe operation of urban drainage pipeline network is an urgent problem.
随着我国城市化进程和城市基础设施建设的加快，如何保障城市排水管网的运行安全是急需解决的问题。
We have designed and have developed the JGY-1 type laser pipeline aligning instrument for rising the accuracy and the productivity of the construction of city drainage pipeline network.
为了提高城市排水管道网络敷设的精确度和生产率，我们设计和研制了JGY-1型激光管道准直仪。

排水管网
The result of this study has a guiding significance on the future construction of drainage pipeline network in gully and valley area of Loess Plateau.
本研究结果对今后黄土高原沟谷川道地区排水管网的建设具有指导意义。