automobile transmission gear oil

例句：

1. 1.The transmission gear oil needs to be changed regularly to ensure smooth operation of the vehicle.
   传动齿轮油需要定期更换，以确保车辆的顺畅运行。
2. 2. The mechanics replaced the old transmission gear oil with a new one to fix the problem.
   机械师用新的传动齿轮油替换了旧的，以解决这一问题。
3. 3. The transmission gear oil is essential for maintaining the proper functioning of the vehicle's transmission system.
   传动齿轮油对于保持汽车传动系统正常工作至关重要。