Drillat德里亚
drilln.钻孔机;钻子;反复操练;播种机v.练习;钻孔;(军事)训练
driller parameters钻机参数
drill press sleeve短钻套
drill machine tool钻孔机床
drilling mud fluid钻井泥浆液
drill stem failure钻柱损坏
drill-burst ship钻爆船
drill pipe counter钻杆计数器
drill stem washout失效原因
drilling equations钻速方程
Drill core logging岩芯编录