悪あく水すい路ろMeanings1nounindustrial and sewage drainTechnical term for a drainage channel designed to carry industrial wastewater and sewage.工こう場じょうの悪あく水すい路ろが詰つまって、異い臭しゅうが発はっ生せいした。The factory's industrial waste drain clogged, causing a foul smell.