The American Water Works Association and the Water Pollution Control Federation have become collaborators in its preparation. 美國水工程協(xié)會(huì )和水污染控制聯(lián)合會(huì )在其準備中已協(xié)同工作。
In the long term, Beijing should establish a catchment works will trickle into the urban and suburban reservoir lakes, urban development can be used for rainwater into the water. 從長(cháng)遠看，北京要建立匯水工程，將涓涓細流匯入城市河湖和郊區水庫，使雨水變?yōu)槌鞘邪l(fā)展可利用的水資源。
