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文中介绍了汽车的一种辅助制动装置——缓行器及其发展历史、种类和特点,分析了汽车使用缓行器辅助制动的优点和必要性,并以电涡流缓行器为例详细介绍了其工作原理。
This paper introduces a kind of auxiliary braking device of vehicle, its history, types and characteristics, and analyzes the advantages and necessity of auxiliary brake of automobile using retarder. The paper introduces the example of the eddy current retarder Its working principle.