英语词汇“hollow drill”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	hollow drill
释义	hollow drill hollow drill [′häl·ō ′dril] (design engineering) A drill rod or stem having an axial hole for the passage of water or compressed air to remove cuttings from a drill hole. Also known as hollow rod; hollow stem.
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