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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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英语词典包含2567994条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。
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更新时间:2026/6/11 8:04:38