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-现代词典

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.
随便看	gingival hamartoma gingival hemorrhage gingival hormonal enlargement gingival hyperplasia gingival hypertrophy gingival hypertrophy, gingival hyperplasia gingival immunologic defense index gingival index gingival inflammation gingival line gingival lingual peak gingivally gingival margin gingival margin trimmer gingival massage gingival mat gingival mucosa gingival necrosis gingival, of the adult cyst gingival, of the newborn cyst gingival overgrowth gingival papilla gingival-periodontal index gingival physiology gingival pigmentation

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