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

单词	plumb rule
释义	WordReference Random House Unabridged Dictionary of American English © 2024 plumb′ rule′, Building, Surveyinga device for determining perpendicularity, consisting of a narrow board with a plumb line and bob suspended from an upper edge. Middle English plomreule 1350–1400 Collins Concise English Dictionary © HarperCollins Publishers:: plumb rule n a plumb line attached to a narrow board, used by builders, surveyors, etc
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