car door sheave

例句：

1. 1. The car door sheave is a crucial component of the vehicle's suspension system.
   车门滑轮是车辆悬挂系统的关键部件。
2. 2. The car door sheave has been replaced with a new one to improve handling and reduce noise.
   为了改善操控性和减少噪音，更换了车门滑轮。
3. 3.The car door sheave is designed to provide smoother opening and closing of the doors.
   车门滑轮的设计是为了提供更平滑的车门开启和关闭。