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	matrix metalloproteinase-14 matrix metalloproteinase 15 matrix metalloproteinase-15 matrix metalloproteinase 16 matrix metalloproteinase-16 matrix metalloproteinase 17 matrix metalloproteinase-17 matrix metalloproteinase 18 matrix metalloproteinase-18 matrix metalloproteinase 19 matrix metalloproteinase-19 matrix metalloproteinase 2 matrix metalloproteinase-2 matrix metalloproteinase 20 matrix metalloproteinase-20 matrix metalloproteinase 21 matrix metalloproteinase 24 matrix metalloproteinase-24 matrix metalloproteinase 25 matrix metalloproteinase-25 matrix metalloproteinase 26 matrix metalloproteinase-26 matrix metalloproteinase 27 matrix metalloproteinase-27 matrix metalloproteinase 28

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