... open topped roll housing 开口式机架 open water drilling海上钻井 open work 露天开采工作 ...
双语例句
1
For mining pits, especially those open-pit mines where water accumulation is serious, it is difficult to achieve ideal blasting effect in blasting-drilling by general blast methods.
对于采场尤其是爆破钻孔积水严重的露天矿山，一般的爆破方法难以取得理想的爆破效果。
2
CTQ-Z120Y Crawler hydraulic drilling rig is mainly suitable for rock blasting hole drilling in open mining, water conservancy, power plants, roads ect.