| 释义 |
blasting in deep hole
基本例句
深孔爆破
Large-diameter longhole blasting was used to excavate soil-rock in some engineering project.某工程的土石方开挖采用大直径深孔爆破方式。
The blasting technique of vertically parallel and dense bunch longhole is a new ore breaking technology.垂直平行密集束状深孔爆破技术是一种新的崩矿技术。 |