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　　Horizontal curve design is based on the paper alignment results, decide on the routes centerline mileage Stake, measure the intersection referred for horizontal curve design, and according to the terrain, terrain, and other artificial structures necessary plus pile. Profile Design is set based on topographic maps and routes each pile in the pile to determine ground elevation terrain mapping and complete profile view profile design. Cross-sectional design is based on the topographical map and the route to be piles, each pile terrain rendering cross-sectional design. Retaining wall design includes checking the stability of retaining wall construction plans drawn. Pavement structure design based on a given level of traffic information and road pavement type selection and reasonable design of the pavement structure. 　　人工翻 　　望采纳

My theme introducing today is famous specialities in my hometown.