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Watch Later 3:07

S4_化學_CH9_B2_巨型離子結構物質的性質

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Classification of Wave

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DSEPP_V_ADAS

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S4_化學_CH9_C2_石英的結構和性質

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24-25 F4 2nd UT_Q6

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DSE_V_Ch 4 and 5 物品與分工

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