non-structural mass 非结构质量
structural mass concrete 结构实体混凝土
structural mass evaluation 结构质量估算
mass produced structural units 成批生产的结构部件
structural types of rock mass 岩体结构类型
discrete structural surrounding rock mass 碎裂结构围岩
structural rock mass 岩体结构
blocky structural rock mass 块状结构岩体
The role of bolts is to improve the performance of the structural mass, weaken the stress intensity at the crack tips and increase the crack propagating loads.
锚杆作用可增强结构体的力学性能，降低裂纹尖端的应力集中现象，提高裂纹尖端裂纹的起裂荷载；
As the groundwork and environment of constructions in large scale projects, engineering rock mass is the geological structural mass composed of rock blocks and discontinuities.
工程岩体作为大型工程中建筑物的地基和建筑物的环境，是由岩石块体和非连续节理(裂隙)组成的地质结构体。
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