求翻译：秦淮河位于江苏省西南部，是长江下游的一条支流，全长约110公里，全流域面积2630平方公里，是南京地区主要河道。外秦淮河为一千年前断开的吴杨城濠,为南京古城外南部和西部的屏障,如今又成为城中之河。。是什么意思？

Qinhuai River, a tributary of the lower reaches of the Yangtze River in Jiangsu Province, southwest, a total length of 110 km, the whole basin area of ​​2630 square kilometers, is the main river of the Nanjing area. External Qinhuai disconnect a thousand years ago, Wu Yang City, Ho, Nanjing, the anc

Qin Huai River is located in Jiangsu Province, in south-western Yangtze River is a tributary of the downstream with a total length of about 110 KM, 2630 km2 catchment areas, Nanjing is major river. Qin Huai River, in 1000 the city of Wu Yang Hao, Nanjing city, for southern and western walls of the c

Qinhuai River is located the Jiangsu Province north west, is a Yangtze River downstream branch, the span approximately 110 kilometers, the entire drainage area 2630 square kilometers, are the Nanjing area main river courses.Outside Qinhuai River is Wu who 1000 years ago separate the Yang moat, for t

Qin Huai River is located in southwestern part of Jiangsu Province, is a tributary of the lower reaches of the Yangtze River, about 110 km, watershed area of 2,630 square kilometres, is the main river in Nanjing. Disconnect for 1000 years ago Wu Yangcheng external qinhuai River City, outside the anc

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