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结合贵州省白云区麦架经修文、开阳至肖家坳公路改扩建工程的设计情况,阐述山区公路改扩建工程老路保畅设计的思路和要点。
Based on the design of the reconstruction and reconstruction of Kaijiao-Xiaojia’ao Highway in Baiyun District, Guizhou Province, the author elaborates the ideas and key points of Bao Chang design of the reconstruction and extension of mountainous highway.