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-down下挖式
drilled pile钻孔桩
drill column钻机柱架,钻杆柱,钻孔柱状图
drill tubing钻柱
drill barrow手推滚筒式条播机
drill guides手术导航
drill plough条播犁
drill-over过钻
Drill Opener开沟器
drill troops练兵