排水工程 páishuǐgōngchéng drainage works Definitions Defs Origin Strokes Stroke Words Sentences Sents 排水工程 páishuǐgōngchéng drainage works water management projects built to handle excess rainwater and prevent flooding or crop failure
排水工程 páishuǐgōngchéng drainage works water management projects built to handle excess rainwater and prevent flooding or crop failure