分析了车辆导向轮侧滑量在允许值范围仍出现轮胎异常磨耗的原因，并讨论了前轮检测中应引起重视的几个问题。
The causes of anomalous tire wear at side slip value of front wheel keeping normal value were analysed and some problems of measuring front wheel alignment were discussed.
并介绍聚苯酯填充聚四氟乙烯的三大特点：极大的权限PV值、极低的磨耗量和不损伤对磨偶件。
The three characteristics of PTFE filled with p-oxybenzoyl homopolyester are introduced, i. e. the biggest maximum PV value, the lest abrasion and outstanding kinetic friction.
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