oil lubricating

例句：

1. 1. The engine needs oil lubricating to run smoothly.
   发动机需要润滑油才能顺畅运行。
2. 2. The car was well-maintained with regular oil lubricating.
   汽车定期维护，使用润滑油保养得很好。
3. 3. The machine is equipped with a high-quality oil lubricating system.
   这台机器配备了高质量的润滑油系统。