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本文论述井下铁矿冒顶片帮是掘进面工作和回采工作面经常发生的事故,分析了事故产生的原因并提出了预防措施。
This article discusses that the top-of-sheet iron mine in underground mine is an accident that often occurs on heading face and mining face, analyzes the causes of accidents and puts forward preventive measures.