Under traditional methods of the environmental water treatment, the polluted water are to be collected into one place, and be treated through the building of large municipal sewage treatment factory.
英
美
- 传统的环保思想下的水处理办法,都是将污水从各个污染源汇集到某一处,通过建设大型城市污水处理厂的方式进行统一处理。