英语词汇“drill fittings”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 fittings
释义	drill fittings drill fittings [′dril ‚fid·iŋz] (engineering) All equipment used in a borehole during drilling. Also known as downhole equipment.
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