powder lubricant

例句：

1. 1.The engineer used a powder lubricant to grease the gears.
   工程师用粉末润滑剂给齿轮上油。
2. 2.The machine was running smoothly with the help of a powder lubricant.
   机器在粉末润滑剂的帮助下运行得非常顺畅。
3. 3.The oil and powder lubricant were mixed together for better performance.
   将油和粉末润滑剂混合在一起以获得更好的性能。