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简介:受2012不锈钢护栏年国内外经济增速放缓、钢铁产能过剩以及房地产调控政策严谨等多重因素影响, 虽然2013年有铁路固定资产投资目标上调、基础设施投资将继续成为固定资产投资的重要支持等利好因素,但钢铁产能严重过剩、第三次工业革命将引发的钢材需
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