electropolishing

例句：

1. 1. The machine is designed to perform electropolishing operations.
   这台机器被设计用来执行电抛光操作。
2. 2.During the polishing process, the surface of the material is smoothed and polished.
   在抛光过程中，材料的表面被平滑和抛光。
3. 3.Electropolishing is a technique used in metal finishing to remove scratches and imperfections.
   电抛光是一种金属加工技术，用于去除划痕和瑕疵。