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METHOD OF DECREASING WATER INFLOW IN MINE WORKINGS IN MINING COAL SEAMS
METHOD OF DECREASING WATER INFLOW IN MINE WORKINGS IN MINING COAL SEAMS
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机译:减少煤矿工作层矿井涌水的方法
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摘要
a way to do / леньшения inflow of water in mining output. - - -./ to develop coal seams, including drainage обводненных species by pre testing one of the reservoirs in the рассто нии l of обводненны
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