relief polishing

例句：

1. 1.The relief polishing process is essential for the smooth operation of the machine.
   缓解抛光过程对于机器的平稳运行至关重要。
2. 2.The relief polishing technique has been widely used in the automotive industry.
   缓解抛光技术在汽车行业得到了广泛应用。
3. 3. The relief polishing process involves removing surface scratches and oxidation to improve the appearance of the material.
   缓解抛光过程包括去除表面划痕和氧化层，以改善材料的外观。