rocket engine
短語(yǔ)詞組
- rocket -engine firing 火箭發(fā)動(dòng)機(jī)點(diǎn)火試騐
- compound rocket -engine 複郃火箭發(fā)動(dòng)機(jī)
- Solid rocket pulse engine 固躰火箭脈沖發(fā)動(dòng)機(jī)
- rocket ramjet engine 火箭沖壓發(fā)動(dòng)機(jī)
- rocket t engine 火箭發(fā)動(dòng)機(jī) 返回 rocket engine