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假如不穿宇航服，人在各大星球能活多久？
source link: https://tech.sina.com.cn/d/s/2019-05-03/doc-ihvhiqax6394550.shtml
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文章来源：我们的太空宇航服是世界上结构最复杂技术最先进价格最昂贵的服装例如美国宇航员穿的宇航服每套价值150万美元在宇航服的后背上有一个维持生命的系统这里能提供氧气排除二氧化碳还有提供电力的电池水冷却循环装置和通讯设备另外宇航服还配备了舱外
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