front axle universal joint ball

例句：

1. 1. The rear end of the car is equipped with a front axle universal joint ball.
   这辆车的后部装有前轴万向节球。
2. 2.The engineers replaced the old front axle universal joint ball with a new one.
   工程师们用一个新的代替了旧的前后轴万向节球。
3. 3.The ball in the universal joint is vital for smooth operation of the vehicle's front axle.
   这个球在万向节中对于车辆前轴的平稳运行至关重要。