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NASA ScienceCasts: 盒内思考

国际空间站上的手套箱可进行材料实验。在封闭的空间站裡你不会想让这些材料流出来。 ISS Science: http://www.nasa.gov/iss-science NASA Science: http://science.nasa.gov/ 点击这里查看更多视频：https://alugha.com/NASA

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