propellant injection

• 喷气燃料注入

propellant injection的用法和样例：

例句

1. Piezo Actuators are key components of piezoelectric fuel injection systems in diesel and gasoline engines.
   压电致动器是在柴油和汽油发动机中压电燃料注入系统的重要元件。
2. Fuel is injected by the latest generation of High Precision Direct Injection, and the turbocharger features variable intake geometry for maximum efficiency.
   燃料注入由高精度新一代直喷式，涡轮增压器的功能和最高的效率为可变进气几何。