spark pin

例句：

1. 1.The spark plug is the part that connects the engine to the fuel injector.
   火花塞是连接发动机与燃油喷射器的部分。
2. 2.The spark plug needs to be replaced regularly to ensure optimal performance.
   火花塞需要定期更换以确保最佳性能。
3. 3. The spark plug is responsible for creating a spark that ignites the fuel mixture in the engine.
   火花塞负责产生火花，点燃发动机中的燃料混合物。