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简介:      根据对不锈钢碳素钢复合管本月价格行情监测到的情况来看,不锈钢碳素钢复合管价格维持下行态势,显示季节性因素致使下游需求不断疲软,北方市场需求极度萎缩,像黑龙江、吉林、内蒙古、新疆等高纬度
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