卫生下水道 wèishēngxiàshuǐdào sanitary sewer Definitions Defs Origin Strokes Stroke Words Sentences Sents 卫生下水道 衛生下水道 wèishēngxiàshuǐdào sanitary sewer A system of underground pipes used to collect and transport household sewage, industrial wastewater, and surface runoff to a treatment plant Cross-References Classifier 条 tiáo
卫生下水道 衛生下水道 wèishēngxiàshuǐdào sanitary sewer A system of underground pipes used to collect and transport household sewage, industrial wastewater, and surface runoff to a treatment plant Cross-References Classifier 条 tiáo
