胡一鳴大師八字教學2.1
9:48
Added: 3 years ago
From: silwoods
Views: 6,854
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  • H2(氢气）+ 2O2（氧气）--〉·2H2O （水）

    然后水生氢气，剋氧气？  水跟氢气、氧气是完全不同的东西。。。

    到底化合是什么意思？ 有没有搞懂？

    jujur1 1 year ago

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