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简介: 2011年,是内衬不锈钢复合钢管我国“十二五”时期开局之年,经济发展处于转型关键期。受国内宏观调控和欧美债务危机影响,钢铁工业运行呈现前高后低态势,上半年,钢铁产量保持较高增长,钢材价格震荡上行,出口小幅增长。下半年,尤其是进入
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