axle sleeve

例句：

1. 1. The car'saxle sleeve is damaged, soit won't start.
   汽车的轴套护套坏了，所以不能启动。
2. 2.The mechanic replaced the axle sleeveon the truck.
   机械师更换了卡车上的轴套护套。
3. 3. Theengineer inspected the axle sleeve for any signsof wear.
   工程师检查轴套护套是否有磨损的迹象。