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
drill single twist单钻
drilling with foam泡沫钻进
drill and blasting钻爆
drilling instrument钻井仪表
drilling supervisor钻井监理
drill hole sampling打眼取样法,钻孔取样
drill bit gage loss钻头直径磨损量
drill point grinder钻头刃磨机
drill tool breaking断钻具
drill jig for lathe车床钻模