friction surface

例句：

1. 1.The friction between the two surfaces caused the wheel to slow down.
   两个表面的摩擦导致车轮减速。
2. 2. The friction between the two surfaces was too high, causing the machine to stop.
   两个表面的摩擦太高，导致机器停止。
3. 3. The friction surface of the tire is important for its performance.
   轮胎的摩擦表面对其性能至关重要。