Drillat德里亚
drilln.钻孔机;钻子;反复操练;播种机v.练习;钻孔;(军事)训练
drilling row piles冲孔排桩
drilling dust rate钻粉率
drill with ferrule方钻
drill tool failure钻具失效
Drilling polishing钻磨
drillability index可钻性指数
drill pouring pole钻孔灌注桩
drill press socket长钻套
drilling direction钻孔方向
drilling wire rope钻井钢丝绳