污水处理

• sewage disposal
• sewage treatment/ disposal
• sewage treatment
• sewage sludge treatment
• effluent treatment
• waste water treatment
• sewage processing
• sewerage
• de-contamination of water

参考释义

污水处理

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例句

1. 公共卫生方面的严重问题与该城低效率的污水处理系统有关。
   The grave problem of public hygiene is connected with the inefficient sewage system of the city.