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随着珠三角地区的先发带动和国家西部大开发战略的深入推进,珠江中上游地区和下游珠三角地区的经济联系日趋紧密,在陆路交通运力日趋饱和的背景下,积极
With the first development in the Pearl River Delta region and the further development of the strategy of developing the western region, the economic ties between the upper and middle reaches of the Pearl River Delta and the Pearl River Delta region in the lower reaches are getting closer and closer. Against the background of increasingly saturated land transport capacity,