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依据采矿设计理论与工程实践,针对综采放顶煤的端头放煤难题与区段煤柱问题,首次提出采用错层位巷道布置系统提高放顶煤回收率。
According to the mining design theory and engineering practice, aiming at the problem of coal caving at the end of the fully mechanized caving mining and the problem of section pillars, a staggered roadway layout system is proposed for the first time to increase the recovery rate of caving coal.