英语词汇plumbline是什么意思，plumbline的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典-觉斋网

单词	plumbline
释义	DEFINITIVE EXAMPLES 权威例句〔VERTICAL〕Ensure that the plumbline is perpendicular before you start to draw the line. 开始画线前，要确保铅锤线是垂直的。朗文写作活用
随便看	reference axis reference azimuth reference back reference back reference beam reference bias reference bit reference black level reference block reference book reference book reference book reference book reference boresight reference burst reference burst phase reference call reference capacitor reference capillary reference carrier reference carrier burst reference cavity reference cell reference cell cavity reference center

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