differential idler gear shaft

例句：

1. 1.The differential idler gear shaft is crucial for the smooth operation of the vehicle's transmission system.
   差速器惰轮轴对于车辆传动系统的平稳运行至关重要。
2. 2.The engineer carefully inspected the differential idler gear shaft before installing it in the engine.
   工程师在安装差速器惰轮轴前仔细检查了它。
3. 3. The differential idler gear shaft was designed to reduce wear and improve efficiency in the vehicle's drivetrain.
   差速器惰轮轴的设计旨在减少磨损并提高车辆驱动系统的效率。