pto shaft

例句：

1. 1.The car's engine is running smoothly, but the pto shaft has a slight vibration.
   汽车的发动机运行平稳，但是pto轴有点振动。
2. 2. The machine tool needs to be adjusted to ensure that the pto shaft is aligned correctly.
   机床需要调整以确保pto轴正确对齐。
3. 3.The engineer checked the pto shaft and found that it was not properly lubricated.
   工程师检查了pto轴，发现它没有正确地润滑。