engine cylinder oil tank

例句：

1. 1. The engine needs tobe regularly checked and maintained toensure it runs smoothly.
   发动机需要定期检查和维护，以确保运行顺畅。
2. 2. The oil tankis located under the hood, whichmakes it easy to access for maintenance.
   油罐位于发动机罩下，这使得维护起来非常方便。
3. 3. The oldcar's engine cylinder oiltank was leaking, causing asignificant amount of oil to be lost.
   旧车的发动机气缸油罐泄漏，导致大量机油损失。