仅仅7%的污水处理站符合国际标准。
Just 7% of sewage-treatment plants meet international standards.
据报道，奥兰治县采用了非常“高效的污水处理”技术，经过层层过滤和净化过程，最后的水质超过了多数饮用水的标准。
Orange County takes "highly treated" sewer water and sends it through various filtration and purification processes, until the final product exceeds the standards for most drinking water.
现有污水处理池需要符合严格的环境标准，该设备则被放置于其中。
The devices are placed in existing wastewater treatment lagoons that need to meet stricter environmental standards.
应用推荐