据《煤炭信息》2 0 0 0年第 2 8期报道 :高层建筑无污染封闭式稳压给水装置由北京市朝阳实用电梯技术研究所研制成功 ,并申请国家专利。从此高层建筑二次加压供水的污染问题将成为历史。该装置的特点是 :1、卫生 :它不但彻底地解决了高层建筑二次供水的污染问题 ,有益于人们的 According to “Coal Information” 2000, Issue 208, the high-rise building pollution-free closed-type constant voltage water supply device was successfully developed by the Beijing Chaoyang Practical Elevator Technology Research Institute and applied for a national patent. The problem of pollution from the second pressurized water supply of high-rise buildings will become history. The device is characterized by: 1. Hygiene: It not only thoroughly solves the pollution problem of secondary water supply in high-rise buildings, but also benefits people’s