排水管道系统是城市基础设施的重要组成部分，它的完善程度影响着整个污水处理和水污染控制系统的运行状况和效率。
Drainage system is an important makeup of urban infrastructure, which affects remarkably the operation and efficiency of sewage disposal and control system of water pollution.
2月3号，在排水管道系统上工作了一整天之后，一个印度小男孩和他的妈妈在JawaharlaNehru体育馆的阴影下，往他们的临时住所走去。
Here, an Indian boy walks with his mother under the shadow of Jawaharlal Nehru Stadium back to their temporary dwelling after having worked a full day on a drainage system on Feb. 3.
城里甚至还敷设了排水系统，因为在狭窄的街道底下发现了许许多多陶土制作的排水管道。
The city was equipped with a drainage system, for a great many clay pipes were found beneath the narrow streets.
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。
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.
供、排水系统：从车间外墙外1米处的接点至用水设备的供水、排水管道。
Water supply and drainage system: the water supply and drainage piping from the joint at 1m from the workshop outside wall to water users.
供、排水系统：从车间外墙外1米处的接点至用水设备的供水、排水管道。
Water supply and drainage system: the water supply and drainage piping from the joint at 1m from the workshop outside wall to water users.
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