每年夏天突袭北京的暴雨,都会造成不少地方形成积水。在众多极易发生积水的点段中,鲜见二环路及以内的区域。北京排水集团管网部副部长田志勇说,难见滞水有其历史原因,当初的管网铺设和城市建设几乎同步进行。记者获悉,200余km建自明清时代的排水管网,配合着当时建成的集雨排水工程,目前发挥的作 Sudden rains in Beijing each summer rains, will result in a lot of places to form water. In many prone to water points, rarely seen within the Second Ring Road and within the region. Tian Zhiyong, vice minister of Beijing Drainage Group Pipe Network Department, said there is no historical reason for the stagnant water. The original pipe network was laid almost simultaneously with the urban construction. Reporter was informed that more than 200 km drainage network built in the Ming and Qing Dynasties, with the rainwater drainage works built at that time, the current play