differential gear box

例句：

1. 1. The differential gearbox is essential for the vehicle'sperformance.
   差速齿轮箱对于车辆的性能至关重要。
2. 2. The engineer replaced the differential gear boxwith a new one.
   工程师用一个新的差速齿轮箱替换了旧的。
3. 3. Thedifferential gear box helps to distribute the loadevenly across all four wheels.
   差速齿轮箱有助于将负载均匀地分布在四个车轮上。