英语词汇“drill collar”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	drill collar
释义	drill collar drill collar [′dril ‚käl·ər] (design engineering) A ring which holds a drill bit and gives it radial location with respect to a bearing.
随便看	as soon as i lay my hands on it as soon as i'm done as soon as mother freaking possible as soon as paid as soon as paperwork is submitted as soon as pigs fly as soon as possible as soon as possible for you as soon as possible if not sooner as soon as possible please as soon as practical as soon as reasonable as soon as reasonably possible as soon as scientifically possible as soon as there's time as soon as time allows as soon as you can as soon as you possibly can assopomac assoprovider assort assortative assortatively assortative mating assortative pairing

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