但要从根本上解决进浆管堵塞还需增大一级锚孔孔径或改用无粘结钢绞线材料等。

But for thoroughly solving the problem, the diameter of anchor hole should be enlarged further or non-binding stranded steel wire should be used.

youdao

但要从根本上解决进浆管堵塞还需增大一级锚孔孔径或改用无粘结钢绞线材料等。

But for thoroughly solving the problem, the diameter of anchor hole should be enlarged further or non-binding stranded steel wire should be used.

youdao