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崇明县(岛)地处长江口,三面临江,一面频海,河道密布。现有市级南横引河一条段长78.51km,横贯崇明岛南部地区;北横引河西段长39.gkm,横贯崇明岛北沿西半部地区。还有经并港建闸形成南北向县级骨干竖河31条段(含团结、东旺沙垦区1条段),间距2～3km不等,合计长340km,并在南北端分别建水闸控制水流,其中二端建出江水闸的竖河有8条,一端建出江水闸的竖河有9条,二端未建出江水闸的竖河有14条段。连结县级竖河与其配套的乡级横河有420条段,长
Chongming County (Island) is located in the mouth of the Yangtze River, facing the river on three sides, one side of the sea, the river covered. The section of the existing municipal south cross-river is 78.51km long, which runs through the southern part of Chongming Island. The north cross-trail leads to the section of Hexi section of 39.9km long and traverses the north half of Chongming Island along the western half. There are 31 sections (including 1 unit in Unity and Dongwangsha Reclamation Area) of the north-south county-level backbone river via the port closure in the port of Kaohsiung, with a distance of 2 ~ 3km and a total length of 340km, with sluice gates There are 8 vertical rivers with two ends built out of river sluices, 9 vertical rivers with one end built with river sluices, and 14 vertical rivers with two ends without sluices. Link the county vertical River and its supporting township Yokogawa 420 section, long