By the analogy simulation tests on Xingtai mine, the failure characteristics of overlying strata and its displacement regularity are studied.

  • 笔者是通过相似模拟试验对邢台矿的煤层上覆岩层破坏特征及其位移变化规律和顶板的应力变化规律进行了研究。
目录 查词历史