1) Open-pit blasting earthquake
露天爆破地震
3) surface blasting
露天爆破
1.
The essay expatiates the techniques of borehole in surface blasting, and instructs the construction of borehole in surface blasting.
本文阐述了露天深孔爆破的钻孔施工工艺,对露天爆破钻孔有参考和指导作用。
6) open-mining blasting
露天矿爆破
1.
Decide the safety allowing distance of open-mining blasting working;
露天矿爆破作业安全允许距离的确定
补充资料：露天矿爆破
见爆破。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条