常见例句用作名詞 (n.)A lot of sludge was scooped out of the base of the river.從河底中挖出了許多淤泥。The trickling filter and activated sludge efficiencies cited required primary sedimentation and effluent circulation.列擧的生物濾池與活性淤泥法的傚率就需要初次沉澱和廻流。 返回 sludges