常見例句The Congo River and its tributaries have formed a complete water system.有剛果河及其支流形成的單一完整的水系。The plants using a closed-circuit water system will usually require some means of treatment of excess water.使用閉合循環(huán)水系的工廠，通常需要以某些方法處理過剩的水。 返回 aquo-system