oil fuel injecting pump

例句：

1. 1.The oil fuel injecting pump is crucial for the operation of the engine.
   燃油喷射泵对发动机的运行至关重要。
2. 2. The engineers replaced the old oil fuel injecting pump with a new one.
   工程师们用一个新的燃油喷射泵替换了旧的。
3. 3.The oil fuel injecting pump was designed to improve fuel efficiency.
   燃油喷射泵的设计目的是提高燃油效率。