ramjet sustainer

例句：

1. 1. The ramjet sustaineris crucial for maintaining the aircraft'sstability during takeoff and landing.
   喷气式推进器维持器对于飞机起飞和降落时保持稳定性至关重要。
2. 2. The engineer carefullyadjusted the ramjet sustainer tooptimize fuel efficiency.
   工程师仔细调整了喷气式推进器维持器，以优化燃油效率。
3. 3. During the flight test, thepilot noticed that the ramjet sustainer was not functioning properly.
   在飞行测试中，飞行员注意到喷气式推进器维持器没有正常工作。