steering knuckle tie rod ball

例句：

1. 1. The car's steering system is the most critical part of its operation.
   汽车的转向系统是其运行最关键的部分。
2. 2. The engineer carefully checked the condition of the steering knuckle before repairing it.
   工程师在修理前仔细检查了转向节的状况。
3. 3.The driver had to adjust the steering ball to avoid hitting a pothole in the road.
   司机不得不调整转向球以避免在路上碰到一个坑洼。