The traditional methods, such as bar supporting, arching, masonry-lining supporting and etc, cannot resolve this problem.

一般的棚式支护、砌碹支护等传统方式无法解决这一问题。

youdao

The traditional methods, such as bar supporting, arching, masonry-lining supporting and etc, cannot resolve this problem.

一般的棚式支护、砌碹支护等传统方式无法解决这一问题。

youdao