strata behaviors

• 矿压显现

strata behaviors的用法和样例：

例句

1. The paper stated also the fracturing movement of the strata around a large area gob and expounded the monitoring method of it.
   上位顶煤及覆盖层的成拱机制及失稳运动是造成放顶煤面矿压显现和影响顶煤放出的基本因素。