随着社会经济的飞速发展,大量农村人口涌入市区,城市高层建设迅猛增加,二次供水设施也随着大量增加〔1〕。目前正值城市加速发展的时期,为适应城市建设发展和管理的需要,保证二次供水设施的规范化建设,减少二次供水水质的污染隐患,保障人群的身体健康,必须掌握二次供水的设施及 With the rapid socio-economic development, a large number of rural population are pouring into the urban area, the urban high-rise construction is rapidly increasing, and the secondary water supply facilities also increase greatly [1]. At a time when urban development is accelerating, in order to meet the needs of urban construction and development and management, ensure the standardization of secondary water supply facilities, reduce the potential pollution risks of secondary water supply and ensure the health of the population, it is necessary to master the secondary water supply facilities and