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根据大黄山煤矿采煤工作面顶板事故统计资料,本文就采煤工作面顶板失稳及事故的成因机理进行探讨分析。
According to the statistic data of roof accident of coal mining face in Huanghuangshan Coal Mine, this paper discusses the roof instability of coal mining face and the cause mechanism of the accident.