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	rial omani rialto Rialto riant riata rib R.I.B.A. ribald ribaldry riband ribat ribavirin ribband ribbed-knit ribbed toad. ribbed vault Ribbentrop ribbing ribbon ribbon copy ribbon development ribbonfish ribbon lightning ribbon microphone ribbon plant.

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