propellant loading flow velocity

例句：

1. 1. The propellant loading flow velocityis crucial for the success of the spacecraft.
   推进剂装载流速对于航天器的成功至关重要。
2. 2. The high propellant loading flowvelocity can cause significant damage to the spacecraft's components.
   高推进剂装载流速会对航天器的部件造成严重损坏。
3. 3. Thedesign of the propellant loading systemmust consider the impact of the flow velocityon the performance of the engine.
   推进剂装载系统的设计方案必须考虑流速对发动机性能的影响。