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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On the basis of the new study, he thinks that such sequestration may not always happen and probably depends on the composition of sediments and the complexity of water flow underground.

在新研究的基础上，他认为这种隔离并不是经常发生并且还有可能决定于沉积物的构成和地下水流动的复杂性。

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The typical solution is for a city to build larger pipes and a giant underground tank to hold the excess water until sewers can handle the flow.

典型的解决方法是建造更大直径的排水管和巨大的地下水箱来容纳过量的来水，直至下水管网能够自行处理水流。

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Detailed studies of the surface indicate that these were formed by a lake caused by the flow of underground water that periodically made its way to the bottom of the crater.

FORBES: NASA Finds Remains Of Ancient Martian Lake