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The balance structure of main roof and its action to immediate roof in large cutting height workface;
本文分析了顶板运动对冲击矿压的作用，采用“砌体梁”理论研究了断层倾向对顶板平衡结构的影响。
youdao
-
The balance structure of main roof and its action to immediate roof in large cutting height workface;
本文分析了顶板运动对冲击矿压的作用，采用“砌体梁”理论研究了断层倾向对顶板平衡结构的影响。
youdao