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Abstract Based on the No. 3 coal of Gushuyuan Mine had been extracted by roadway driving, the resource recovery rate was low, and with low safety coefficient, slow recovery. The mining method affected the No. 9 coal mining recovery, its recovery cost was high, according to the mine production situation, spare ordinary coal seam fully mechanized equipment for simple modifications to the recovery of the segment was tried out, which realized the safety of the coal pillar quick recovery.
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