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1南四湖基本概况南四湖位于山东省西南部,是华北地区最大的淡水湖泊,由微山湖、昭阳湖、独山湖、南阳湖等4个相连的湖泊组成,东南至西北走向,全长120km,宽4.5～24.5 km不等,周长约306 km,总面积1 266 km~2,可控蓄水量约为1.7×10~9 m~3。在湖腰最窄处,建设一处集调蓄、
1 Nansi Lake Basic Profile Nansi Lake is located in the southwestern Shandong Province and is the largest freshwater lake in North China. It consists of four connected lakes such as Weishan Lake, Zhaoyang Lake, Dushan Lake and Nanyang Lake, and the southeast to northwest , With a total length of 120km and a width of 4.5 ~ 24.5 km, a circumference of about 306 km and a total area of 1,266 km ~ 2. The controllable water storage is about 1.7 × 10 ~ 9 m ~ 3. In the narrowest of the lakeside, build a set of storage,