英语词汇“column 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	column drill
释义	column drill column drill [′käl·əm ‚dril] (mechanical engineering) A tunnel rock drill supported by a vertical steel column.
随便看	byhs byi byia byib byig byil by inches by inchmeal by/in comparison by/in leaps and bounds by-interest by/in virtue of something by invitation only by itself byj byjb byjf byjo by jove by jove! byk byke byker bridge housing association bykez, bordz and bladz byk gulden

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