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...

引用 A.C:引用 HXKRRRR:引用 A.C:引用 HXKRRRR:另外根据经验，在RNX中如果硝酸钾比较粗也会有残渣。我重结晶后球磨粉碎，应该还可以球磨的粒度应该没有问题。估计二氧化锰会很棒，有...

先看看板上带不带，不带的话网上买一块保护板估计也就是 2块钱左右你的哪个~~~可以设计一个简单恶劣的~~~只怕不对你的胃口~~~ 用于商业的感觉还是用成品的成熟方案，我这个方法有个缺点...

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