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kong xiang zong fang mian she bei xuan xing guan jian ji shu yan jiu
Pages: 41-42
Year: Issue:  9
Journal: Coal

Keyword:  空巷设备选型空巷揭露;
Abstract: 有空巷存在的综放工作面在回采推进过程中,根据围岩物性状态的不同和与空巷的关系,工作面先后会经历实体煤开采、破碎煤体开采和空巷揭露开采三个阶段。
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