crankcase oil foaming

例句：

1. 1. The engine was experiencing crankcase oil foaming, which could be a sign of overheating.
   发动机出现了曲轴箱油泡沫化，这可能是过热的迹象。
2. 2. The mechanics were able to identify the cause of the crankcase oil foaming and addressthe issue immediately.
   机械师们能够识别出曲轴箱油泡沫化的原因并立即解决问题。
3. 3. To prevent crankcase oil foaming, it is important to regularly check and maintain the engine's oil level.
   为了防止曲轴箱油泡沫化，定期检查和维护引擎的油位是很重要的。