“中水”的定义:城市污水经处理设施深度净化处理后的水(包括污水处理厂经二级处理再进行深化处理后的水和大型建筑物、生活社区的洗浴水、洗菜水等集中经处理后的水)统称“中水”。其水质介于自来水(上水)与排入管道内污水(下水)之间,亦故名为“中水”。中水利用也称作污水回用。 “Medium water” is defined as: the depth of urban sewage treatment facilities after the purification of water (including the sewage treatment plant after the secondary treatment and then deepen the treatment of water and large buildings, living communities, bathing water, vegetables and other water concentration Processed water) collectively referred to as “water.” The quality of water between the tap water (Sheung Shui) and discharged into the pipe between the sewage (sewer), also known as “water.” Reclaimed water is also called wastewater reuse.