This text discusses the importance of building up mine well draining and controling system, and primarily inquires into the structure and function of mine well draining and controling.

文中论述了建立矿井排水控制系统的重要性，并探讨了矿井排水控制系统的结构及其实现的功能。

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The gold mine discharges tailings massively every day, which results in gold and useful metal draining, simultaneously brings the enormous harm to the environment.

黄金矿山的尾矿每天大量排放，造成金及有用金属的流失，同时对环境带来极大的危害。

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This paper also carefully introduces a way and path to keep economic operation for chief draining pump in coal mine underground.

详细地阐述了保持煤矿井下大泵经济运行的途径和方法。

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Mrs McCourt and her family have spent years looking for her body in a hunt which has included draining ponds and exploring old mine shafts.

BBC: Celebration held for murdered woman Helen McCourt