英语词汇“shaft plumbing”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	shaft plumbing
释义	shaft plumbing shaft plumbing [′shaft ‚pləm·iŋ] (mining engineering) The operation of orienting two plumb bobs, both at surface and at depth in order to transfer the bearing underground.
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