stability of the surrounding rockmass的用法和样例：
例句
- 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。 - 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。
