drill up向上挖掘
drilln.钻孔机;钻子;反复操练;播种机v.练习;钻孔;(军事)训练
drilling fluid filtration钻井液滤失
drilling rig substructure钻机底座
drillable adjustment well可钻调整井
drilled footage per month台月进尺
Drill - blasting method钻爆法
drilling string vibration钻柱振动
drilling tool combination钻具组合
drill pipe heat treatment钻杆热处理
drilling and pouring pile钻孔灌注桩
drilling and casting pile钻孔灌注桩