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Watch Later 8:26

S1_SCI_6.4_熱脹冷縮

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S1_SCI_6.6_密度

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S1_SCI_6.3_溶解

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S1_SCI_6.4_Thermal expansion and contraction

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S1_SCI_6.3_Dissolving

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S1_SCI_6.2_粒子模型

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S1_SCI_6.1_Matter and particle theory

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S1_SCI_6.1_物質與粒子理論

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S2_SCI_9.5 _Potential hazards related to the use of acids and alkalis

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