ひつようろうどうじかん 必要労働時間 LinksSentence search for 必要労働時間Sentence search for ひつようろうどうじかんKanji details for 必, 要, 労, 働, 時 and 間Edit in JMdict Noun1. necessary labour time (in Marxian economics)Economics Discussions Log in to talk about this word.