英语词汇“tool joint”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	tool joint
释义	tool joint tool joint [′tül ‚jȯint] (engineering) A coupling element for a drill pipe; designed to support the weight of the drill stem and the strain of frequent use, and to provide a leakproof seal.
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