南汇区河道蓝线的划示在各区域开发建设及全区河道管理中发挥了重要的作用,具有重要的意义。特别是在河道整治、地块建设、路桥建设及管线建设等方面。本文对南汇区河道蓝线编制划示的内容及其作用等作简要分析和探讨。 The designation of the blue line of the Nanhui River has played an important role in the development and construction of all regions and in the management of river courses in the whole region, which is of great significance. Especially in river regulation, land parcel construction, road and bridge construction and pipeline construction and so on. This article briefly analyzes and discusses the contents and functions of the blue line of Nanhui River.