differential gear train

例句：

1. 1. The differential gear train is crucial for the vehicle's handling and stability.
   差速齿轮传动装置对于车辆的操控性和稳定性至关重要。
2. 2.The engineer designed a new differential gear train to improve efficiency.
   工程师设计了一种新的差速齿轮传动装置以提高效率。
3. 3. The differential gear train was used in the construction of the bridge, which required precise alignment.
   差速齿轮传动装置被用于桥梁的建设中，这需要精确的对齐。