The supporting principle of rockbolt under special construction situation is reinforcing the surrounding rock mass.

锚杆支护在特殊条件下的作用原理是对围岩吊挂固定。

youdao

The supporting principle of rockbolt under special construction situation is reinforcing the surrounding rock mass.

锚杆支护在特殊条件下的作用原理是对围岩吊挂固定。

youdao