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 grinder钻头磨床
Drilling mast钻井井架
drilling line钻井用钢丝绳,钻井钢丝绳
drill burying埋钻
drilling pier钻孔灌注桩
drill derrick钻塔
drilling pain钻顶样痛
drilling pump钻井泵
drilling data[经] 钻井资料
drilling well钻井