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1·Design experience of water supply and drainage pipeline project is introduced in the paper.

本文介绍了石油化工企业给水排水管道工程的设计经验。

2·The city drainage pipeline network needs comprehensive monitoring to keep its operation safety.

保障城市排水管网安全运行，必需对排水管网进行全面监测。

3·Flap valve is mainly installed in the end of drainage pipeline to prevent extra water flow backward.

拍门主要安装在排水管道的尾端，用于防止外水倒灌。

4·The material requirement, main equipment and work conditions are indicated for brushing of drainage pipeline.

指出涂刷排水管道的材料要求、主要机具及作业条件。

5·In this paper the application of high pressure water jet technology in coal mine main drainage pipeline is discussed briefly.

简要探讨了高压水射流清洗技术在煤矿主排水管道清洗中的应用。

6·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。

7·In order to improve gas drainage volume, gas drainage on fully mechanized caving face and gas drainage pipeline network system are analyzed.

为了提高矿井瓦斯抽放量，重点分析了综放工作面的瓦斯抽放和瓦斯抽放管网系统方面。

8·The city rain flux is the design foundation of city rain drainage pipeline, the standard according to outdoors drainage criterion (GBJ14-87).

城市雨水流量是城市雨水排除管道设计的基础和依据，其标准按《室外排水设计规范》（GBJ14-87）执行；

9·This paper gives us a helpful solution by examples of the problems during quality control of inspection in city underground drainage pipeline.

本文通过工程实例，探讨了在进行城市地下排水管线探查的质量控制中需要注意的问题，以供参考。

10·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。