friction material

• 摩擦材料

friction material的用法和样例：

例句

1. Brake systems use friction materials to stop wheels from rotating.
   制动系统使用摩擦材料来阻止轮胎的旋转。
2. A generalized summarization is made for the automotive brake material.
   摘要介绍汽车制动器摩擦材料的研究现状。