The movement of the rock in ditching and the mechanism of millisecond blasting were analyzed.

探讨了沟槽内岩块的运动规律，以及深孔微差爆破的作用机理。

youdao

The movement of the rock in ditching and the mechanism of millisecond blasting were analyzed.

探讨了沟槽内岩块的运动规律，以及深孔微差爆破的作用机理。

youdao