挖掘机:营造健康环境 促进持续发展
Construction Machinery(2010)
Abstract
<正>尽管2009年挖掘机出口销量下降了70%左右,但是依靠国家投资政策的拉动,行业总销量达到了9万多台,同比增长20%以上。除了政策因素外,中国的城镇化建设和
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