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                      为什么打火机能打出火花来

                      化学 你是第2412个围观者 0条评论 供稿者:

                      为什么打火机能打出火花来

                      DAHUOJISHIYIZHONGHENFANGBIANDEDIANHUOGONGJU,ZHIYAOYONGSHOUZHIYIAN,“CA”DEYISHENG,BENGCHUJIGEHUOHUA,LITOUDEYIGE“XIAODENG”LIJIDIANRANLE。

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                      为什么打火机能打出火花来

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                      这家伙很懒,什么都没写!

                      —— 10why

                      10why
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