drainage pipeline network

基本解釋

Drainage: Drainage pipeline in the zone connects with municipal pipeline network, so as to make sure that sewage discharges smoothly.
排水：區(qū)內的排水管道與市政管網(wǎng)連接，保證污水排放通暢。
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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.
隨著我國城市化進程和城市基礎設施建設的加快，如何保障城市排水管網(wǎng)的運行安全是急需解決的問題。
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.
為了提高城市排水管道網(wǎng)絡敷設的精確度和生產率，我們設計和研制了JGY-1型激光管道準直儀。

排水管網(wǎng)
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.
本研究結果對今后黃土高原溝谷川道地區(qū)排水管網(wǎng)的建設具有指導意義。