stability of the surrounding rockmass

• 围岩稳定性

stability of the surrounding rockmass的用法和样例：

例句

1. The surrounding rocks of arched roadways are much more stable than that of rectangular roadways.
   圆弧拱巷道围岩稳定性要远大于矩形巷道。
2. Considering the problems of old models of drift surroundings stability classification, this paper offers a new one.
   在分析以往一些巷道围岩稳定性分类模型存在的不足之处的基础上，给出了一种新的模型。