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Watch Later 4:27

F4_化學_CH16-3常用的酸鹼指示劑

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Chemistry tutorial-Ch20-4-Fractional distillation of petroleum in industry

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Chemistry tutorial-Ch20-3-What is oil refining?

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Chemistry tutorial-Ch20-2-Composition of petroleum

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化學教室-第20章-4-在工業上進行石油提煉

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化學教室-第20章-3-什麼是石油提煉？

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化學教室-第20章-2-石油的成分

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Chemistry tutorial-Ch11-4-Reactions of metals with water

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化學教室-第11章-4-金屬與水的反應

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