破碎壁、轧臼壁采用进口高锰钢制作，极大降低磨耗，使用年限提高70% - 90%。
Broken walls, rolling ace tabular wall made of imported high-manganese steel, greatly reducing wear, the useful life by 70% -90%.
在旧水泥混凝土路面上加铺沥青混凝土面层是改善路面使用性能、提高承载能力和延长服务年限的主要措施之一。
Overlay asphalt concrete pavement surface on old cement pavement is to improve the level of performance, to increase loading capacity and extend the service life of one of the main measures.
国外实践表明，长寿命沥青路面是解决路面早期损坏问题，提高路面使用年限的有效手段。
Foreign practices have proved that constructing perpetual pavement is an effective approach to solve premature failure and increase the service life of asphalt pavement.
国外实践表明，长寿命沥青路面是解决路面早期损坏问题，提高路面使用年限的有效手段。
Foreign practices have proved that constructing perpetual pavement is an effective approach to solve premature failure and increase the service life of asphalt pavement.
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