我毛估估, 一公斤鈉跟水反應放出的氫氣估計能輕鬆炸掉100個天安門城樓! ?????????????????

來源: 路邊的蒲公英於 2015-08-16 07:40:27 [舊帖] [給我悄悄話] 本文已被閱讀：次

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