This article has summarized pressure and necessity of establishing the reclaimed waterreusesystem and explicated its circumstances in the green estate.
概述了绿色小区建立中水回用系统的紧迫性、必要性，详细介绍了绿色小区中水回用系统建设。
2
Secondly, it outlines the reclaimed waterreuse condition of domestic and overseas, as well as setting and combination of waterreusesystem in residential district.
其次，概述了国内外中水回用的情况以及建筑小区中水回用系统的设置与组合。
3
There is actual demand for waterreuse for expressway service area given the fact of limited water resource and long distance to municipal water supply system.