gear shaper cutter

例句：

1. 1. The gear shaping machine is used to shape the teeth of gears.
   齿轮整形机用于加工齿轮的齿。
2. 2. The gear shaping tool is essential for precision machining of gears.
   齿轮整形工具对于齿轮的精密加工至关重要。
3. 3. The gear shaping device can be used to improve the accuracy and efficiency of gear manufacturing.
   齿轮整形设备可以用于提高齿轮制造的准确性和效率。