rear axle universal joint

• 后轴万向节

rear axle universal joint的用法和样例：

例句

1. The back axle of the bus was broken.
   公共汽车的后轴断了。
2. The rear axle is stationary, and is bolted rigidly to the main frame.
   后轴是固定的，用螺栓刚性固定在主机架上。