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。
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。
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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