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火箭是怎么飞的？揭秘火箭的三大神秘系统！
你有没有想过，火箭是怎么飞的？它为什么能在没有空气的太空中飞行？它是用什么燃料的？它是怎么控制方向的？今天，我们就来揭秘火箭的三大神秘系统，让你一窥火箭的奥秘！
宇宙知识探秘145/345
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