N a type of jet engine in which fuel is burned in a duct using air compressed by the forward speed of the aircraft 冲压式喷气发动机
N an aircraft powered by such an engine 冲压喷气式飞机
Applications of integral solid propellant rocket ramjets arc researched.
研究了整体式固体火箭冲压发动机的应用性能。
Else we'll be back to using balloons like "Project Daedalus," serviced by nuclear ramjets.
否则我们将倒退到像“代达罗斯项目”使用气球，由核动力喷气机来维护。
With all inlet doors tightly shut, at 3.24 Mach, the J-58s are more like ramjets now, gulping 100, 000 cubic feet of air per second.
我们正以3.24马赫飞行，所有的进气口都紧紧关闭，两个J-58引擎就像火箭推进 器一样全速运转 - 每秒吞吐100000立方英尺的空气。
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