短語詞組短語sewage treatment system [環(huán)境]污水處理系統(tǒng);污水凈化處理系統(tǒng)sewage disposal system 污水處理系統(tǒng)sewage piping system 污水管系;污水管路系統(tǒng)recirculating sewage treatment system 再循環(huán)式污水處理系統(tǒng)sewage e system 下水道sewage pipeline system 污水管道系統(tǒng)sewage monitoring system 污水監(jiān)測系統(tǒng)sewage collective system 污水收納系統(tǒng)buried sewage treatment system 地埋式污水處理系統(tǒng) 返回 sewage system