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汽车尾气正日渐威胁人类生存环境,全球各国政府纷纷使出重拳,中国政府着力推进“节能减排”新政,明确提出建设“环境友好型社会”。但是在目前以传统矿
Automobile exhaust is increasingly threatening the living environment of human beings. Governments all over the world have made heavy blows. The Chinese government has made great efforts to promote the “energy saving and emission reduction” new deal and has clearly proposed the construction of an “environment-friendly society.” But at the moment to traditional mines