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![人教版初中化學九年級上冊緒言化學使世界變得更加絢麗多彩[張躍英]【市一等獎】優(yōu)質(zhì)課](http://imgshow.1ydt.com/img?url=%2F%2Fi2.hdslb.com%2Fbfs%2Farchive%2F4006377e3fc009ead8a28b75472eddf211b69f1a.jpg%40672w_378h_1c_%21web-search-common-cover)
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![人教版初中化學九年級上冊緒言化學使世界變得更加絢麗多彩[張躍英]【市一等獎】優(yōu)質(zhì)課_1](http://imgshow.1ydt.com/img?url=%2F%2Fi2.hdslb.com%2Fbfs%2Farchive%2F8b126320e82af675f4a793d10307e7ae4e71e12f.jpg%40672w_378h_1c_%21web-search-common-cover)
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![[九年級上冊化學]化學使世界變得更加絢麗多彩](http://imgshow.1ydt.com/img?url=%2F%2Fi2.hdslb.com%2Fbfs%2Farchive%2Fab8e6f21fcf0c5d91cb364fce98f16ad7f88c58c.jpg%40672w_378h_1c_%21web-search-common-cover)
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播放：2 時間：2024-06-21簡介： -
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