The underwaterdrilling blasting engineering is a importance part of the engineering blasting.
水下钻孔爆破是工程爆破的重要组成部分。
2
A simple working platform for underwaterdrilling blast and the practical method to removing and orientating the ship are introduced in the paper.
文章介绍了一种简易的水下钻孔爆破施工平台及实用的移船定位方法，改进了传统的药包加工及装填工艺。
3
Oil spills and underwaterdrilling accidents are common, and despite the media hype it is too soon to tell whether this one will prove to be the biggest yet.