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19 天
中国六代机动力?清华大学特种发动机试飞成功,采用爆震燃烧技术
其J58涡喷冲压发动机的两种动力系统在这个速度区间的衔接就存在问题。这样一来,对于吸气式发动机而言,2.5到3马赫这个速度区间就成了一个 ...
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