A method of buffer blasting used in the open pit is presented in this paper.

本文主要介绍了目前露天矿山开采使用的“压碴爆破”方法。

youdao

A method of buffer blasting used in the open pit is presented in this paper.

本文主要介绍了目前露天矿山开采使用的“压碴爆破”方法。

youdao