深部构造区域巷道应加强顶板与肩角围岩控制。

Thus, the surrounding rock control in roadway roof and shoulder needs strengthening in deep tectonic regions.

youdao

深部构造区域巷道应加强顶板与肩角围岩控制。

Thus, the surrounding rock control in roadway roof and shoulder needs strengthening in deep tectonic regions.

youdao