grindingcone

例句：

1. 1. The engineer used a grinding cone to smooth the surface of the metal.
   工程师使用一个研磨锥来平滑金属的表面。
2. 2.The grinder was essential in the process of polishing the glass.
   研磨机在抛光玻璃的过程中是必需的。
3. 3.The grinding cone is designed to remove small chips from the material being ground.
   研磨锥的设计是为了从被研磨的材料上去除小碎片。