自８０年代初，全国各行业大力开展节能工作，给水行业为贯彻《城市供水行业２０００年技术进步发展规划》中提出的“二提高三降低”（即提高供水水质，提高供水安全可靠性，降低能耗、降低漏和降低药耗）的奋斗目标和要求。由此，住宅小区的给水系统已逐渐取消了高位水箱，而 Since the early 1980s, various industries across the country have been vigorously working on energy conservation. The water supply industry has implemented “two improvements and three reductions” proposed in the “Plan for Technological Progress in Urban Water Supply Industry in 2000” (ie, improving water quality, improving safety and reliability of water supply, Energy consumption, reduce leakage and reduce drug consumption) goals and requirements. As a result, residential water supply system has gradually canceled the high water tank, and