科研之友
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摘要
No. I(1) coal of Micun Coal Mine is planned to be mined in Zhengzhou which belongs to the typical pressure mining. The accident of water-inrush might happen. In this study, the water rich regular of the Ordovician limestone aquifer was studied, and the division of strong and weak water rich area. They can serve well for safe mining and prevention of water-inrush accident of the baseboard of No. h coal.
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