英语词汇“labour in vain”的翻译、意思、用法、释义-英汉双解词典-注文网

单词	labour in vain
释义	labour in vain 无效劳动,徒劳
随便看	voltage deviation factor voltage die voltage differeential relay voltage difference voltage differential relay voltage digit voltage digitizer voltage dip voltage dips voltage direction voltage-directional relay voltage discharge curve voltage dissemination program voltage distortion voltage distribution voltage distribution measuring apparatus voltage divider voltage-divider voltage divider circuit voltage-divider current voltage divider current voltage divider network voltage-divider probe voltage dividers voltage divider theorem 总1 总2 总3 总4 总总林林总而言之总角之交总角之好怼怽 53630 53631 53632 53633 53634 53635 53636 53637 53638 53639