【机械工程】火箭引擎工厂，间歇的

hybrid rocket-engine plant

rocket-engine plant

regulating, controlling, rocket-engine plant

air-breathing, jet-propulsion plant combined with rocket-engine plant

jet-propulsion plant, air-breathing combined with rocket-engine plant

rocket-engine plant regulating, controlling

intermittent, rocket-engine plant

rocket-engine plant operating on chemical fuels