英语词汇“automatic drill”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	automatic drill
释义	automatic drill automatic drill [¦ȯd·ə¦mad·ik ′dril] (design engineering) A straight brace for bits whose shank comprises a coarse-pitch screw sliding in a threaded tube with a handle at the end; the device is operated by pushing the handle.
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