profile grinder

例句：

1. 1.The engineer used a profile grinder to smooth the surface of the metal.
   工程师使用轮廓磨光机来平滑金属的表面。
2. 2.The profile grinder is essential for polishing the edges of the glass.
   轮廓磨光机对于抛光玻璃边缘至关重要。
3. 3. The profile grinder was used to create a precise shape on the surface of the material.
   轮廓磨光机被用来在材料表面创建精确的形状。