This technique USES a set of unique urinate drainage pipeline and water control system, which makes the products have the characteristics of water-saving, mute and strong blowdown ability.
本项技术利用一套独特的小便排水管道和排补水控制系统，产品具有节水、静音、排污能力强的特点。
The water-air mixture is drained through connection the connection pipeline may be used for drainage, however it must not be lockable.
水-空气的混合液是经接口排泄，这个管路可以用作泄放，但是不能关闭。
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。
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。
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。
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。
The utility model belongs to the field of water supply and drainage pipeline engineering, and particularly relates to a faucet structure of a water-conveying pipeline.
本实用新型属于给排水管道工程领域，具体涉及一种输水管道的插口结构。
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。
From a practical production, cycle the backwater pipeline construction often encounter the "poor conveyance, affect the efficiency of the running water supply and drainage system."
从现实生产情况看，循环回水管道施工常会遇到“输水不畅”问题，影响了给排水系统运行的效率。
From a practical production, cycle the backwater pipeline construction often encounter the "poor conveyance, affect the efficiency of the running water supply and drainage system."
从现实生产情况看，循环回水管道施工常会遇到“输水不畅”问题，影响了给排水系统运行的效率。
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