axle box cover

例句：

1. 1. The car's axle box cover is damaged, so it won't start.
   汽车的轴箱盖损坏了，所以无法启动。
2. 2.The mechanic replaced the axle box cover with a new one.
   机械师用一个新的轴箱盖替换了旧的。
3. 3.The car's axle box cover was designed to protect the engine from dust and debris.
   汽车的轴箱盖设计用来保护发动机免受灰尘和碎片的侵害。