【机械工程】喷射推进【机械工程】喷气推进

因为它要求国家进行风洞试验，喷气试验，这些实验对武器发展都是至关重要的，包括摧毁性武器，舰只和航空器等等。

jet-pipe distorsion, jet-nozzle distorsion, jet-propulsion plant

jet-propulsion plant chemical fuels

jet engine (jet-propulsion plant)

jet-propulsion plants having more than one gas turbine

jet-propulsion plant fan

jet-propulsion plant, gas-turbine plant

automatic jet-propulsion plant with automatic combustion chamber of the pulse type

jet nozzle jet-propulsion plant operating on