lubricating oil treatment

例句：

1. 1.The engine needs lubricating oil treatment to keep it running smoothly.
   发动机需要润滑剂处理来保持顺畅运行。
2. 2. This is a common practice for lubricating oil treatment in automotive maintenance.
   这是汽车维护中常见的润滑剂处理实践。
3. 3.The technicians perform lubricating oil treatment on the car's engine to prevent wear and tear.
   技术人员对汽车发动机进行润滑剂处理以防止磨损。