齿轮传动的

例句：

1. 1. The car's engine is running smoothly with the new gears installed.
   新安装的齿轮使汽车发动机运行顺畅。
2. 2. The old man adjusted the gears on his bicycle to make it go faster.
   老人调整了他的自行车上的齿轮，让它跑得更快。
3. 3. The train was moving at a much slower speed than expected due to the faulty gears.
   由于齿轮故障，火车的速度比预期慢得多。