axle bumper

例句：

1. 1.The car's axle bumper is designed to absorb impacts fromthe road.
   汽车的轴梁保险杠设计用来吸收路面的冲击。
2. 2. Thetruck's axle bumper is made ofhigh-quality plastic to prevent damage.
   卡车的轴梁保险杠是由高质量的塑料制成的，以防止损坏。
3. 3. Thedriver had to replace theaxle bumper afterhitting a pothole in the road.
   司机在撞到路上的一个坑后不得不更换了轴梁保险杠。