Install a new eavestrough to improve water drainage.

安装新的屋檐排水槽以改善排水。

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。

Control over water drainage alternates between you and NIM, and neither can skip a turn.

你和NIM轮流排水，谁也不可以跳过任何一轮。

And the process of waste water drainage and the technical condition are proposed on the experiment.

并在试验的基础上,提出了处理公司外排废水工艺流程和技术条件.

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.

Hence the proposed method provides a mean for scientifically determining the water drainage time intervals and the start-stop control strategy.

为科学、合理的确定排水时段及水泵启停控制策略、数字化监控提供了依据。