目前在我国广大城镇用于供水的镀锌铁管,已经在许多发达国家和地区被明令禁止使用,我国香港特别政行区自1996年1月1日起也已禁止使用。现在,我国内地有些城市和地区,正在考虑禁止使用的日期,这是因为镀锌铁管很容易锈蚀,污染供水水质,影响居民身体健康。 与镀锌铁水管系统相比,铜供水管道系统有着 The galvanized iron pipes used for water supply in the vast majority of cities and towns in China have been banned from use in many developed countries and regions. The Hong Kong Special Administrative Region has also been banned from use since January 1, 1996. At present, some cities and regions in the Mainland are considering the date of prohibition of use. This is because galvanized steel pipes are easily corroded, pollute the quality of water supply, and affect the health of residents. Compared with the galvanized iron pipe system, the copper water supply pipe system has