英语词汇“plumb rule”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	plumb rule
释义	plumb rule a device for determining perpendicularity, consisting of a narrow board with a plumb line and bob suspended from an upper edge. [1350-1400; ME plomreule]
随便看	nippy nip-up NIRA Nirenberg niridazole Nirmalin nirvana Nis Nisan Nisei Nishapur Nishinomiya nisi nisi prius Nissan Nissen hut Nistru nisus nit nitchie nite niter nitery Niterói nitfly

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