polishing file

例句：

1. 1.He used a polishing file to smooth the surface of the wooden table.
   他用抛光布来平滑木桌的表面。
2. 2. The technician used a polishing file to remove scratches from the car's paint.
   技师用抛光布去除汽车漆面的划痕。
3. 3.The polishing file was essential for preparing the metal surface for painting.
   抛光布对于准备金属表面进行喷漆至关重要。