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新集一矿13煤中央煤柱开采期间在采空区自然发火问题比较突出的情况下,通过采取均压通风防灭火等综合措施,确保了工作面的安全回采。
In the 13th Central Coal Pillar of Xinji Coal Mine, under the situation of natural ignition in the gob of the Central Coal Pillar during the period of exploitation, the comprehensive measures such as pressure equalizing ventilation and fire prevention and extinguishment were adopted to ensure the safe recovery of working face.