lubricating oil purifier

例句：

1. 1. The lubricating oil purifier is essential for maintaining the smooth operation of machinery.
   润滑油净化器对于保持机械的顺畅运行至关重要。
2. 2. The engineer used a lubricating oil purifier to improve the performance of his machine.
   工程师使用润滑油净化器来提高机器的性能。
3. 3. The lubricating oil purifier was designed to remove impurities from the engine oil, ensuring optimalperformance.
   润滑油净化器被设计用来去除引擎油中的杂质，确保最佳性能。