英语词汇“bent sub”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	bent sub
释义	bent sub bent sub [′bent ‚səb] (petroleum engineering) A short cylinder installed in the drill stem between the lowest drill collar and the downhole turbodrill to deflect the turbodrill from vertical in order to drill a directional hole.
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