roller jewel setter

例句：

1. 1. The roller jewel setter is a crucial component in the manufacturing process.
   滚珠轴承是制造过程中的一个关键组件。
2. 2. The engineer used a roller jewel setter to quickly adjust the gear ratio.
   工程师使用滚珠轴承来快速调整齿轮比。
3. 3. The roller jewel setter was responsible for maintaining the smooth operation of the machine.
   滚珠轴承负责维护机器的平稳运行。