短語詞組短語carbon n dioxide emission 二氧化碳排放carbon dioxide emission model 碳排放模型cut carbon dioxide emission 減少二氧化碳排放量carbon dioxide emission reduction 二氧化碳減排carbon dioxide emission flux CO 排放通量reduce carbon dioxide emission 降低二氧化碳排放carbon dioxide emission limits 碳減排Carbon dioxide emission reduction method 二氧化碳排放減少方法 返回 carbon dioxide emission