jet propulsion unit

例句：

1. 1. The jet propulsionunit is responsible for the aircraft'slift and thrust.
   喷气推进单元负责飞机的升力和推力。
2. 2. The jetpropulsion unit is a critical componentof the aircraft's power system.
   喷气推进单元是飞机动力系统的关键环节。
3. 3. Thejet propulsion unit is designed toprovide high-speed transportation.
   喷气推进单元设计用于提供高速运输。