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贾鲁河是淮河支流沙颍河的主要支流,也是郑州市的主要排水河道。贾鲁河发源于新密、荥阳两市交界处,流经荥阳、郑州、中牟、开封、尉氏、鄢陵、扶沟、西华、周口,在周口市汇入沙颍河,全长256km,流域面积5896km2。中牟境内长48.42km,流域面积1092km2。贾鲁河中牟段承担着上游新密、荥阳两市部分及郑州市区的城市防洪排水任务,中牟县80%的面上排水汇入贾鲁河,贾鲁河中牟段防洪压力很大。
The Jialu River is the main tributary of the Shaying River, a tributary of the Huaihe River, and also the main drainage channel in Zhengzhou. The Jialu River originates from the junction of Xinmi and Shenyang cities and flows through Shaying River in Zhengzhou, Zhongzhou, Kaifeng, Weishi, Yanling, Fugou, Xihua and Zhoukou, with a total length of 256km. The drainage area 5896km2. Zhongmou territory of 48.42km long, drainage area of 1092km2. Zhongmu section of the Jialu River undertakes the urban flood control and drainage tasks of the Xinmi and Xingyang parts of the upper reaches and the urban areas of Zhengzhou City. 80% of Zhongmu County’s drainage flows into the Jialu River and the Zhongmu section of the Jialu River has great flood control pressure.