grinding wheel drive motor

例句：

1. 1.The grinding wheel is used to grind metal into a smooth surface.
   研磨轮用于将金属磨成光滑的表面。
2. 2. The drive motor powers the entire machine, making it efficient and reliable.
   驱动电机为整个机器提供动力，使其高效且可靠。
3. 3. The grinding wheel is essential for precision machining.
   研磨轮对于精密加工至关重要。