【摘 要】
：
目录一、汽车轻量化的背景和意义二、铝合金的优势三、应用现状四、存在的问题五、对策建议一、汽车轻量化的背景和意义2013年,我国汽车产销2211.68万辆和2198.41万辆,同比增
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目录一、汽车轻量化的背景和意义二、铝合金的优势三、应用现状四、存在的问题五、对策建议一、汽车轻量化的背景和意义2013年,我国汽车产销2211.68万辆和2198.41万辆,同比增长14.76％和13.87％,比上年分别提高10.2和9.6个百分点,增速大幅提升,高于年初预计.产销突破2000万辆创历史新高,再次刷新全球记录,已连续五年蝉联全球第一.
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