The drainage in a coal mine under exploitation may give a strong impact on the underground water flow regime, causing negative influence on the development of the groundwater resources.

煤矿开采过程中的矿坑排水对地下水流场和地下水资源利用具有强烈影响。

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Implement three water proof walls , effectively prevented the flow of water in abandoned mine ;

实施了三道防水墙，有效阻截了废弃矿井水的流动；

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Based on the unsteady potential flow theory of incompressible liquid, a model of water-entry impact force for air-launched mine was presented, and the water-entry impact force was calculated.

基于不可压缩流体的非定常势流理论建立了空投水雷入水冲击力计算的数学模型，对水雷的入水冲击力进行了计算。

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The company said the closure was necessitated by weak volcanic rock above the ore deposit which allowed water to flow into the mine.

FORBES: The perils of mining