gear crimper

例句：

1. 1. The gear crimper is used to shape the teeth on the gears.
   齿轮压模机用于成型齿轮上的齿。
2. 2. This gear crimper is designed for precision work with small parts.
   这种齿轮压模机专为精密加工小零件而设计。
3. 3. The gear crimper was used to replace the old worn out gears in the transmission.
   齿轮压模机被用来替换传动系统中磨损的旧齿轮。