oxidiser

If the hybrid rocket needs to be shut down in a hurry all you need do is turn off the pump delivering the oxidiser.

如果混合火箭发动机需要立即关掉，那么你需要做的全部事情就是关掉传送氧化剂的泵。

this means scramjets can achieve some of the speed of a rocket without having to carry heavy oxidiser (to mix with fuel), as rockets do.

这意味着超高速冲压喷气发动机能达到部分火箭的速度而无须携带氧化剂，像火箭那样。

this means scramjets can achieve some of the speed of a rocket without having to carry heavy oxidiser (to mix with fuel), as rockets do.

这意味着超高速冲压喷气发动机能达到部分火箭的速度而无须携带氧化剂，像火箭那样。

this will allow the rocket's oxidiser tank to expand when it is full.

这使得飞船的氧化罐在满载时产生膨胀。