overburden rock meaning in Chinese

复盖岩层

Numerical simulation of failure process of overburden rock strata caused by mining excavation
采动影响下覆岩垮落过程的数值模拟
Elementary analysis on breaking feature of overburden rock during mining under special nappe structure
特殊推覆体下开采覆岩破坏特性浅析
Investigations of the raw material in hardcoal - mining ; macroscopic classification and description of overburden rock
煤矿原料勘探.覆层岩石的宏观描述和分类
Research on site measurement and numerical simulation method of development height for crack zone of overburden rock
覆岩裂缝带发育高度的实测与数值仿真方法研究
The experimental research of numerical simulation for the depth mining ' s effect on the law of movement and failure of overburden rock seam
采动对岩层移动破坏规律的数值模拟试验研究

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