英语词汇“raise boring machine”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	raise boring machine
释义	raise boring machine raise boring machine [rāz ¦bȯr·iŋ mə‚shēn] (mining engineering) A machine that is used to drill pilot holes between levels in a mine, and to ream the pilot hole to the finished dimension of the raise.
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