本文讨论了性能上的变化，特别是在改进耐摩擦性和大量减少磨损时的性能变化，这种改进是通过在PA66中添加芳胺纤维达到的。
This article discusses the changes in properties, in particular with regard to frictional resistance and the enormous reduction in wear, which can be achieved by adding aramid to PA66.
本文讨论了性能上的变化，特别是在改进耐摩擦性和大量减少磨损时的性能变化，这种改进是通过在PA66中添加芳胺纤维达到的。
This article discusses the changes in properties, in particular with regard to frictional resistance and the enormous reduction in wear, which can be achieved by adding aramid to PA66.
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