1·Water drainage hose, charging valve shall be kept open.
为排出槽内和排水管中的水，应使排水阀保持开状态。
2·Water drainage in hollow open pit stope is a key link of production.
凹陷露天采场排水是一个十分重要的生产工艺环节。
3·Also the design and calculation of their water drainage system are added.
介绍绿地、花坛的构造、排水系统的类型以及排水系统的设计计算方法。
4·This interchange area has complicate hydrological conditions and difficult water drainage.
立交区域水文条件复杂，排水困难。
5·The pump can start water drainage task once the motor connected with the shaft coupling is started up.
启动与联轴器相接的 电动机，水泵运转即可进行排水作业。
6·The dosing and sampling systems, water drainage and blowdown systems shall be installed wherever necessary;
配套加药和取样系统、疏水排污系统；
7·The result expressed that mine water drainage resource is a valid way to solute the water shortage in mining area.
研究结果表明，矿井水资源化是解决矿区水资源短缺的有效途径。
8·Design storm hyetograph is the essential element for hydrologic modeling analysis and storm water drainage design.
设计暴雨雨型对水文模式分析与暴雨排水设计是不可或缺的基本要素。
9·The existing public network for waste water drainage is along south side of the plot and the system is pressurized.
现有的公共污水管网沿着地块的南面，这部分系统是压力系统。
10·The control circuit controls the water drainage mechanism using a relay and a contactor by the water level detection signal.
控制电路通过水位检测信号，利用继电器和接触器控制排水机构。