电动: motor-driven; power-driven; ...钻具: drilling tool; drilling rig电钻: electrodrill; electric drill ...电钻；电动钻具: electric drill电动钻具: electrodrill电钻具: electrodrill活动钻具: drill string movement-reciprocation vs．rotation转动钻具: drilling pipe in rotation上下活动钻具: spudding uand down电动钻机: electric drilling machine电动钻井: electric drilling电动钻孔机: electric drills电动钻探机: electric boring machine电动钻岩机: electric rock drill井下电动钻井: electric bottom hole drilling活动钻具或管柱使之解卡: work the pipe free每2小时活动钻具一次: move string every 2 hours在循环时注意活动钻具: move string during circulation电动钻岩机钻头: electric rock drill bit; electricrockdrillbit轻便电动钻牙机: portable electric dental engine电钻: [机械工程] electrodrill; electric drill; electrical drill◇电钻机 electrical drilling machine; 电钻具 electrodrill电动钻进式井壁取心器: electrically driven rotary sidewall sampler; electrically-driven rotary sidewall sampler电动钻进式井壁取样器: electrically driven rotary sidewall sampler轻便电动钻牙机，轻便牙钻: portable electric dental engine电钻车: electric drill car
