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通过对红岭矿采面顶板事故分析 ,找出其原因并采取相应措施。同时对各种支护形式及支护材料进行利弊分析 ,选出其优。
By analyzing the roof accident of the mining face of Hongling Coal Mine, we can find out the reason and take corresponding measures. At the same time on the various forms of support and support material analysis of the pros and cons, select its excellent.