finishing hob

例句：

1. 1. The finishing hob is used to smooth the surface of the metal before it's soldered.
   完成工具用于在焊接前平滑金属表面。
2. 2.The finishing hob has a sharp edge that can quickly cut through even the toughest materials.
   完成工具有一个锋利的边缘，可以迅速切割甚至最坚韧的材料。
3. 3. The finishing hob was designed to make the workpiece look more polished and professional.
   完成工具设计用来使工件看起来更加光滑和专业。