friction coat

例句：

1. 1. The new car has a friction coat on the wheels to improve traction.
   新车的车轮上涂有摩擦涂层，以改善抓地力。
2. 2.In the manufacturing process, the material is coated with a friction coat before being assembled.
   在制造过程中，材料在组装前会被涂上一层摩擦涂层。
3. 3.The engineers used a friction coat to prevent corrosion in the marine environment.
   工程师们使用了摩擦涂层来防止海洋环境中的腐蚀。