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高速公路目前在我国交通行业发挥着越来越重要的作用,但随着使用时间的增加,出现了一系列的问题。入手于公路状况调查,讨论高速公路维修和养护技术。
At present, the expressway plays an increasingly important role in the transportation industry in our country. However, with the increase of the use time, a series of problems have emerged. Start with road condition surveys to discuss highway maintenance and care technologies.