This paper discusses some important problems of the design of blasting in dam construction by directional explosion.

本文就定向爆破筑坝时爆破设计计算的主要问题进行了初步探讨。

youdao

This paper discusses some important problems of the design of blasting in dam construction by directional explosion.

本文就定向爆破筑坝时爆破设计计算的主要问题进行了初步探讨。

youdao