crankcase oil tray

例句：

1. 1.The car's engine is running smoothly, and the crankcase oil trayis full of oil.
   汽车的发动机运行平稳，曲柄箱油盘里满是油。
2. 2. The mechanic checked the crankcase oil tray and found no leaks.
   机械师检查了曲柄箱油盘，没有发现泄漏。
3. 3. Theold car's crankcase oil tray was rusted and needed to be replaced.
   旧车曲柄箱油盘生锈了，需要更换。