特殊的表面结构，增强了摩擦力，创造了更加舒适和安全的运动地面环境。

Special surface structure the friction and creates more comfortable and safe ground environment for the movement.

youdao

特殊的表面结构，增强了摩擦力，创造了更加舒适和安全的运动地面环境。

Special surface structure the friction and creates more comfortable and safe ground environment for the movement.

youdao