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S5_CHEM_CH49_D2_ Heterogeneous catalysts

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F.3_Ch.9 旋轉對稱軸(1)

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S5_CHEM_CH49_E_ Some common applications and Importance of transition metals in maintaining health of transition metals and their compounds

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EX1C#15

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Summation Notation 求和記法2

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S6_CHEM_CH53_B_ Providing an alternative pathway with lower activation energy

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中一 第7課 老照片 P109 讀拼音 · 寫漢字

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中一 第7課 老照片 P108 辨音練習

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F4_邀請信格式

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