knotter drive gear

例句：

1. 1. The car's engine uses a knotter drive gear to turn the wheels.
   这辆车的引擎使用一个驱动齿轮来转动轮子。
2. 2. The old clock had a worn-out knotter drive gear that needed to be replaced.
   旧钟表有一个磨损的驱动齿轮需要更换。
3. 3.The new car has a more efficient knotter drive gear system.
   新款汽车拥有更高效的驱动齿轮系统。