滚轧机操纵者

例句：

1. 1.The car was fitted with a new roller for better performance.
   这辆车安装了一个新的滚筒以获得更好的性能。
2. 2. The machine uses rollers to move the material.
   这台机器使用滚筒来移动材料。
3. 3. The roller is responsible for turning the dough into bread.
   滚筒负责将面团变成面包。