本文介绍了水厂铁矿大区多排微差爆破试验研究的技术途径及成果。

This paper describes the technique ways and achievements of large round multi-row short-delay blasting experiments and audies at Shuichang Iorn Mine.

youdao

本文介绍了水厂铁矿大区多排微差爆破试验研究的技术途径及成果。

This paper describes the technique ways and achievements of large round multi-row short-delay blasting experiments and audies at Shuichang Iorn Mine.

youdao