drillsn.钻;训练;演习;斜纹布名词drill的复数形式.
drilln.钻孔机;钻子;反复操练;播种机v.练习;钻孔;(军事)训练
drill jumbos凿岩台车
drill-pipe钻杆
drill a well钻一口井
drill waggon钻(探)车
drilling jar随钻震击器
drill groove钻头构槽
drilled well钻井
drill runner凿岩机司机
drill finish光钻
drilling dof旋转自由度