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文章阐述了二连浩特至广州国家高速公路(湖南省澧县至常德段)上的沅水特大桥设置原因、桥型方案选择及其设计要点。
This article elaborates the reasons for the setting of Yuanshui Grand Bridge on the Erenhot to Guangzhou National Expressway (from Lixian to Changde section in Hunan Province), the options for the bridge type and its design points.