drillern.钻孔机；钻床；钻探工drilln.钻孔机；钻子；反复操练；播种机v.练习；钻孔；(军事)训练drill headroom钻机头部空间drilling shift钻眼班drilling depth钻孔深度drill operator钻井装置操驻drilling field钻场drill trousers厚斜纹布裤子Drilling shaft钻杆drill pressure钻头压力,钻头负载drilled nozzle钻制喷管Drill drainage锥颅血肿抽吸