lube oil pump

例句：

1. 1.The oil pump is essential for maintaining the smooth operation of the engine.
   油泵对于保持发动机的顺畅运行至关重要。
2. 2. The technician quickly replaced the faulty oil pump and tested it to ensure it was working properly.
   技术人员迅速更换了故障的油泵，并测试以确保它正常工作。
3. 3. The lube oil pump is a critical component in preventing engine wear and tear.
   润滑油泵是防止发动机磨损的关键部件。