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最佳答案:1. The air pollutants emission of Shizuishan City in 2009 (Fig.1-1)2. Cyclical I
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最佳答案:摩托车尾气中的二氧化碳的排放量比汽车低百分之三十八The esmissions of the carbon dioxide in the motorcycle
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最佳答案:Low carbon life is living in the consumption of energy 作息 should try to decrease
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最佳答案:Low carbon life means life work and rest when consumed energy will decrease as f
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最佳答案:Emissions of carbon dioxide from motorcycles are 38% less than the emissions pro