Drillon德里永
drilln.钻孔机;钻子;反复操练;播种机v.练习;钻孔;(军事)训练
drill mounting钻机架
Drilling frame钻架
drilling pipes钻杆
drill-harrow除草小耙
Drilling Track导向钻进
drilling units装置
drilling stake钻孔桩
drilling force钻削力
drilling event钻井事故
drilling shoes钻鞋