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氟 氯 碳化 物 化學式
禁用氟氯碳化物臭氧層破洞大幅縮小 Youtube 羅蘭德 造成臭氧層破洞的原因 文本 情境科學教材最有趣的科學教材就在lis 臭氧破洞縮小了 禁用氯氟烴 補天 奏效 暖化 地…
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