During the process of underground mining, the stabilization of stope roof is the basement of normal and productive mining.
金属矿地下开采过程中，采场顶板稳定是矿山正常、高效回采的前提。
During the process of underground mining, the stabilization of stope roof is the basement of normal and productive mining.
金属矿地下开采过程中，采场顶板稳定是矿山正常、高效回采的前提。
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