rack type differential

例句：

1. 1. The new car hasa rack-type differential that makes itmore efficient.
   这款新车有一个货架类型的差速器，使它更加高效。
2. 2. The engineers designed the rack-type differential toimprove the vehicle's handling.
   工程师们设计了货架类型的差速器来提高车辆的操控性能。
3. 3. Therack-type differential iscrucial for the smooth operation ofthe heavy machinery.
   货架类型的差速器对于重型机械的平稳运行至关重要。