中间喷嘴 intermediate nozzle 中间皮带传动装置 intermediate belt gearing ..
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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.
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;
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