来源：人民网 | 2022-04-21 05:46:15 |
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“太空出差三人组”驻留183天后重返地球。航天员在太空为什么要锻炼身体？长达6个月的生活用水从哪来？同上一堂航天思政大课今日开讲，跟随中国工程院院士王浚走进北京航空航天大学实验学校，一起了解一代代中国航天人向深空挺进的追梦故事！
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