effluent fractionating

例句：

1. 1. The factory discharges a large amount of waste into theriver.
   工厂向河流排放了大量废物。
2. 2. Thesewage system is responsible for removingeffluent from the city.
   污水处理系统负责从城市去除排放物。
3. 3. Theeffluent from thetreatment plant needs to be monitoredregularly.
   处理厂的排放物需要定期监测。