This research provides a theoretical method for design of a full column bolt with bottom plate.

此研究为带垫板全长锚杆支护设计提供一个理论计算方法。

youdao

This research provides a theoretical method for design of a full column bolt with bottom plate.

此研究为带垫板全长锚杆支护设计提供一个理论计算方法。

youdao