手动: hand movement; manual operat ...钻头: boring crown; bore bit; dril ...气手动钻: chirodrill手动钻机: hand borer手动钻进: kirn活动钻头: bottoming type bit振动钻钻头: vibrating bit自动钻头夹盘: automatic chuck电动钻岩机钻头: electric rock drill bit; electricrockdrillbit振动钻孔机；声波钻头: sonic drill手动: hand movement (hm); manual operation◇手动操作 manual operation; 手动车 handcar; 手动机 hand- machine; 手动印刷机 handpress; 手动装置 hand gear; hand priming device钻头: boring crown; bore bit; drilling bit; [机械工程] bit (of a drill) 三牙轮钻头 three cone bit; 卸下钻头 break out a bit; 装上钻头 brace a bit风动钻: pneumatic drill机动钻: mobile drill自动钻: automatic drill传动钻杆: drive rod; jar rod电动钻机: electric drilling machine电动钻井: electric drilling电动钻具: electrodrill电动钻具（电钻）: electric drill taladro electrico电动钻孔机: electric drills电动钻探机: electric boring machine电动钻岩机: electric rock drill电钻；电动钻具: electric drill风动钻车: air motor driven jumbo; air-motor driven jumbo
