adjacent rock permeability of water
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The purpose of most of the hydrogeological survey in coalfield is to prospect the water content of the industrial coal bed adjacent rock and the water content and permeability of main fault and so on.
大多煤田水文地质调查的任务是查明区内工业煤层围岩的赋水性、主要断层的含水及导水性等问题。
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