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简介:     之后,不锈钢复合管护栏价格便一路下行,重新回到了5底时的水平,而铁矿石指数仅小幅调整,11底的价格相对于5底时仍有24%的涨幅。原材料与钢材价格上涨幅度的不对等使得钢铁的生产成本高高在上,钢
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