ock mass structures

• 岩体结构

ock mass structures的用法和样例：

例句

1. Deep beams and denser columns are basic forms of frame-tube structures.
   框筒结构的基本形式是由密布的外围宽柱和深群梁组成的筒体结构。
2. The geometrically combined relation of the syncline stucture with the pit controls the mechanical effect of the stuctural plane and rock mass structure.
   向斜构造与采场的几何组合关系控制着结构面和岩体结构的力学效应。