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Abstract Threatened by the No. 3 and No. 9 coal seam goaf water, Jinsheng Hongsheng Mining Industry adopted a comprehensive set of c water prevention and control measures and implemented before the recovery mining of working face, and the combination of geophysical exploration and underground drilling was realized, the success rate of exploration and release water was improved, water in the old goaf area was successfully drained, and water prevention and control was carried out, the purpose of safe recovery was achieved.
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