矿井水 meaning in Chinese

mine water
pit water

Improvement of cleaning technology in underground water bin
清仓技术在矿井水仓的改进
Technical research on adjusting shaft water with goaf water
利用老空区调控矿井水技术
Source of mine water and control measures for it
矿井水的来源及其防治措施
Comprehensive handling of strong acid mine water
强酸性矿井水的综合治理
Mine water control and its comprehensive utilization in tucheng mine
土城矿矿井水治理及综合利用

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