gaseous propellant rocket

例句：

1. 1.The gaseous propellant in the rocket is a critical component for its performance.
   火箭中的气体推进剂是其性能的关键组成部分。
2. 2. The development of gaseous propellant technology has greatly improved the efficiency of space travel.
   气体推进技术的开发大大提高了太空旅行的效率。
3. 3. The gaseous propellant rocket is an important tool for exploring the outer planets.
   气体推进火箭是探索外行星的重要工具。