With the development of China's expressway construction, the work of maintenance equipment has become an integral part of the expressway construction development. But in recent years, traffic accidents in China's expressway are frequent, which shows that the maintenance of the expressway is not perfect. Along with development of expressway supervision in China, maintenance equipment of expressway is more and more concerned by people. To improve the equipment maintenance and management level of expressway, it is very important to find a scientific method for equipment maintenance and management.% 我国高速公路建设的不断发展，养护设备工作已经成为高速公路建设发展中不可或缺的一部分，但是近年来，我国高速频繁出现交通事故，也从侧面说明了，高速公路的养护工作还不健全。随着我国高速公路建设和国家对高速公路的监管发展，高速公路养护设备越来越受到人们的重视，要发展我国的高速公路的设备养护管理水平，建立一个科学的设备养护对策和管理方法是十分重要的。
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