vacuum spark advance mechanism

例句：

1. 1.The vacuum spark advance mechanism is crucial for the operation of the vacuum cleaner.
   真空火花推进机制对于吸尘器的运行至关重要。
2. 2.The engineer designed a new vacuum spark advance mechanism to improve efficiency.
   工程师设计了一种新的真空火花推进机制，以提高效率。
3. 3.The vacuum spark advance mechanism was used in the development of the new car engine.
   真空火花推进机制被用于新汽车发动机的开发。