実験レシピ　備長炭電池を作ってみよう!
3:54
Added: 3 years ago
From: WAOkagaku
Views: 6,266
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  • 同じような実験についての文章を翻訳する時にこのビデオが非常に­役に立ちました。ありがとうございました。

    DrakeDun 10 months ago in playlist Charcoal Battery

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