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本刊讯近三年来,昆明市连续干旱少雨,旱情严重。昆明市人民政府下发了《关于进一步加强城市节约用水工作的实施意见》,在全市推行“最严格”的节水措施,用水单位提高供水系统用水效率迫在眉睫。供水管网是供水系统中的重要组成部分。由于供水设施陈旧,管材的选用比较落后,加上运行年限过长且缺乏维修,部分单位存
In recent three years, Kunming City, continuous drought and rain, severe drought. Kunming Municipal People’s Government issued the Opinions on Further Strengthening Water Saving in Urban Areas and implemented the most stringent water saving measures in the whole city. It is imperative for water users to improve water use efficiency in water supply systems. Water supply pipe network is an important part of the water supply system. Due to outdated water supply facilities, the use of pipes is relatively backward, coupled with the long service life and lack of maintenance, some units of stock