sewage disposal system
英
美
- 污水处理系统
双语例句
- Through urine, the chemical found its way into the Po and the sewerage system.
通过尿液，这种化学物质进入波河和污水处理系统。 - The grave problems of public hygiene are connected with the inefficient sewage system of the city.
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。
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