In this paper, a new technological method of preventing and treating landslide by directional blasting is introduced.

本文介绍了用定向爆破治理滑坡新技术。

youdao

In this paper, a new technological method of preventing and treating landslide by directional blasting is introduced.

本文介绍了用定向爆破治理滑坡新技术。

youdao