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简介:      据国家统计局数据,1、不锈钢碳素钢复合管产量为6752万吨,同比下降0.3%,2年9以来首次同比下降;当粗钢日均产量为217.8万吨,环比下降3.2%,创今年以来新低。不过,相关人士透
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