grease-pot rollers

例句：

1. 1.The grease-pot rollers are essential for smooth operation of the machine.
   油脂罐滚轮对于机器的平稳运行至关重要。
2. 2.The grease-pot rollers were designed to reduce friction and improve efficiency.
   油脂罐滚轮的设计旨在减少摩擦并提高效率。
3. 3.The grease-pot rollers are used in many industrial applications to lubricate moving parts.
   油脂罐滚轮在许多工业应用中被用来润滑移动部件。