都是被洗脑的，空气里78%是氮气，热胀冷缩没啥差别。然后你如何排除原有空气？你支车吗？

来源: chinomango 于 2022-09-24 12:20:43 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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