Drillet德里耶
drilln.钻孔机;钻子;反复操练;播种机v.练习;钻孔;(军事)训练
drilling blasting钻孔爆破
drilling pressure钻压
drilling position钻机就位
drill chuck arbor钻夹头接杆
drilling mud pump泥浆泵
drill sludge cake钻泥块
drill column jack钻机顶柱
drilled explosion钻孔爆炸
drilling line ree钻绳卷筒
drillhole pattern钻孔图形