lubricating oil charging port

例句：

1. 1. The engine requires regular lubrication to maintain its efficiency.
   发动机需要定期润滑以保持其效率。
2. 2. The technicianreplaced the faulty lubricatingoil charging port with a new one.
   技术人员用一个新的替换了故障的润滑油加油口。
3. 3. The car's performance was significantlyimproved after the lubricating oilcharging port was repaired.
   汽车的性能在润滑油加油口修复后有了显著提升。