gear deburring and tooth pointing machine

例句：

1. 1. The machine is designed to deburr the surface of metal parts.
   这台机器设计用来去除金属部件的表面毛刺。
2. 2. The car was polished to a shine after the accident.
   事故后，汽车被抛光得闪闪发光。
3. 3. The tool is used for removing rust and other impurities from metal surfaces.
   这个工具用于从金属表面去除锈和其他杂质。