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今年国家防汛抗旱总指挥部第一次会议上强调,要立足于防大汛、抢大险、抗大旱。北京虽远高大江、大河,但作为首都,洪灾隐患依然存在,特别是永定河与天堂河更是令人担忧。永定河古称(?)水、桑干河、卢沟河、浑河、无定河,清朝康熙三十七年(公元1698年)奉敕改称永定河。北京市的永定河从官厅水库开始,至石景山三家店为山区,三家店至卢沟桥为丘陵区,卢沟桥以下为平原。为防水患
This year’s first meeting of the State Flood Control and Drought Relief Headquarters stressed that we must base ourselves on preventing floods and seizing big risks and resisting drought. Although Beijing is far from a big river and a big river, as a capital city, hidden dangers of flooding still exist. In particular, the Yongding River and the Paradise River are even more worrisome. Yongding River ancient name (?) Water, Sanggan River, Lugouhe, Hunhe, Wudinghe, the Qing Emperor Kangxi thirty-seven years (AD 1698) Feng 敕 renamed the Yongding River. The Yongding River in Beijing starts from the Guanting Reservoir to the Shijingshan Sanjia Branch in the mountains, the Sanjiadian to Lugou Bridge in the hilly area and the Lugou Bridge below the plain. For waterproofing