sliding wheel shaft

例句：

1. 1.The sliding wheel shaft is responsible for the smooth movement of the machine.
   滑动轮轴负责机器的平滑运动。
2. 2. The engineer designed a new sliding wheel shaft to improve efficiency.
   工程师设计了一种新的滑动轮轴以提高效率。
3. 3.The sliding wheel shaft was damaged during the accident, causing the machine to stop.
   在事故中，滑动轮轴受损，导致机器停止运行。