以下内容请给出加州官网链接,你不知道学术论文引用必须给链接吗?否则你就是在这造谣,不值一驳
1970, CA's populationreached 20 million people. Total registered vehicles exceeded 12 million andvMT was 110 billion. Cumulative CA vehicle emissions for NOx and HCs were 1.6million tons/year.
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• 攻击别人数据有问题前先证明你自己数据是最基本要求!!! -非厨子- ♀ (0 bytes) () 03/03/2015 postreply 07:53:10