Is it possible to create a perfect vacuum? - Rolf Landua and Anais Rassat

TED-Ed生活科技节目带字幕
4.5分钟 2538次

在这个宇宙中，完全的真空状态存在么？

  • 时长：4.5分钟
  • 来源：Sigi 2017-12-31

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