beam axle

例句：

1. 1. The car's engine is located on the axle at the front of the vehicle.
   汽车的发动机位于车辆前部的轴上。
2. 2. The beam axle supports the weight of the car and allows it to turn smoothly.
   梁轴支撑着汽车的重量，并允许它平稳地转弯。
3. 3. The engineer carefully checked the beam axle for any signs of wear or damage.
   工程师仔细检查了梁轴，以查看是否有任何磨损或损坏的迹象。