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