求翻译：摘 要：路面直接承受交通荷载的作用，受气候、水、温度等因素的直接影响，因而在使用过程中是最容易受到破坏的结构层。对于高等级水泥混凝土路面板，根据我国已建成通车的高等级公路使用情况看，有相当部分破坏，如开裂、断板、沉陷、错台等病害。本文将就水泥混凝土路面的病害及其成因进行分析，并提出预防和治理的个人见解水泥混，共同仁探讨。是什么意思？

Abstract: The direct road to withstand traffic loads, subject to the direct impact of climate, water, temperature and other factors, and thus is most vulnerable to damage in the course of structural layer. For high-grade cement concrete pavement slab, according to China has opened to traffic in the

Summary: road traffic directly bear the load, the climate, water, temperature and other factors directly affect, and thus the process is the most susceptible to damage the structural layer. For the higher-level cement concrete pavement board, has been completed in accordance with our high-level road

Abstract: Road surface direct withstanding transportation load function, factor and so on climate, water, temperature direct influences, thus is easiest to receive the destruction in the use process the structure level.Regarding the high-grade cement concrete road slab, has completed the first-class

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