intermediate reduction pinion

例句：

1. 1. The intermediate reduction pinion is responsible for the smooth transition between the high and low gears.
   中间减速齿轮负责在高低速齿轮之间平滑过渡。
2. 2. The design of the intermediate reduction pinion has a significant impact on the performance of the entire transmissionsystem.
   中间减速齿轮的设计对整个传动系统的性能有重大影响。
3. 3. In order to improve fuel efficiency, engineers have been working on developing new materials and designs for theintermediate reduction pinion.
   为了提高燃油效率，工程师一直在努力开发新的材料和设计用于中间减速齿轮。