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 and eating woods钻蛀性
drilling columnar diagram钻孔柱状图
drilling safety technique钻井安全技术
drilling exploded methods钻爆法
drilled-hole inspecting成孔检测
drilling machine operator钻工
drill and steel wire gage钻径及钢丝规
drilling and blast method钻爆法
drilled hole filling pile钻孔灌注桩
drilling cutting quantity钻屑量