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在顶板事故中,掘进工作面冒顶事故在顶板事故中占有较大的比重,该文对建矿以来煤矿掘进工作面冒顶事故的原因进行了举例分析,并提出了相应的措施。
In the roof accident, the roof accident of heading face occupies a large proportion in the roof accident. This article gives an example analysis of the cause of roof fall accident in coal tunneling face since the construction and puts forward the corresponding measures.