fuel injection needle

例句：

1. 1. The fuel injectionneedle is responsible for dispensing thefuel into the engine.
   燃料喷射针负责将燃料输送到发动机中。
2. 2. The fuelinjection needle is a critical component of thefuel injection system.
   燃料喷射针是燃油喷射系统的关键部件。
3. 3. The fuel injection needleneeds to be cleaned regularly to ensure optimalperformance.
   燃料喷射针需要定期清洗，以保证最佳性能。