forced oil lubrication

例句：

1. 1.The engine needs to be forced oil lubricated regularly.
   发动机需要定期强制润滑。
2. 2.The old car needed forced oil lubrication before it could start.
   这辆旧车在启动前需要强制润滑。
3. 3.The engineers had to force oil lubrication on the machine to keep it running smoothly.
   工程师们不得不对机器进行强制润滑，以保持其平稳运行。