搜索 - 科创

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第一个是TRW Inc TR-204，土星五第三级辅助推进系统姿控发动机，燃料是四氧化二氮和甲基肼。第二个是ROCKETDYNE SE-8，阿波罗指令舱的再入姿控发动机，燃料也是四氧化二氮和甲...

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