double nozzled rocket engine
double nozzle 双头喷嘴 double nozzled rocket engine 双喷管火箭发动机 double nuclear resonance magnetometer 双重核共振磁力仪 ..
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提出了一种带有中间喷管的新型双脉冲固体火箭发动机技术方案，设计了一台结构参数可调的试验发动机；
A new type of dual-pulse solid rocket motor concept with an intermediate nozzle is presented and a test motor with changeable structural parameters was designed.
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