lubrication oil

例句：

1. 1.The engine needs lubrication oil to run smoothly.
   发动机需要润滑油来顺畅运行。
2. 2. Lubrication oil is essential for preventing friction and wear in machinery.
   润滑油对于防止机械摩擦和磨损至关重要。
3. 3. Engineers use lubrication oil to reduce the amount of heat generated by the engine.
   工程师使用润滑油来减少发动机产生的热量。