仅仅7%的污水处理站符合国际标准。
Just 7% of sewage-treatment plants meet international standards.
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.
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.
应用推荐