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1D科學-第5.3C章-節約能源

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1D科學-第5.3C章-節約能源

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Sci 5.3.4

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SCI

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Sci 5.3.5

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Sci

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Sci 5.3.6

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Sci

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1A_ SCIENCE_CH5.3_Energy sources_Bk_P.123-124

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1A_ SCIENCE_CH5.3_Energy sources_Bk_P.123-124

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1A_ SCIENCE_CH5.3_Energy sources_Bk_P.125

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1A_ SCIENCE_CH5.3_Energy sources_Bk_P.125

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1E_科學 _CH5.3_能源_書_ P. 123-124

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1E_科學 _CH5.3_能源_書_ P. 123-124

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1E_科學 _CH5.3_能源_書_ P. 125

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1E_科學 _CH5.3_能源_書_ P. 125

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1A_ SCIENCE_CH5.3_Energy sources_Bk_P.126-127

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1A_ SCIENCE_CH5.3_Energy sources_Bk_P.126-127

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