drilln.钻孔机;钻子;反复操练;播种机v.练习;钻孔;(军事)训练
drill ship练习舰
drill tape孔带
drill unit条播机单组,钻孔设备,钻削动力头
Drill type钻机类型
drill hose钻探胶管
drill test钻孔试验
drill edge钻头切削刃
drillpoint钻尖
drill boot条播开沟器
drill boat钻岩船