评论:煤矿巷道围岩稳定性动态工程分类技术研究与应用 Technique of dynamic and engineering classification of s

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煤矿巷道围岩稳定性动态工程分类技术研究与应用Technique of dynamic and engineering classification of stability of mine road surrounding rock mass 基于围岩质量计算、柱状图数字化与重组、围岩结构诊断...

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