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简介:     不锈钢复合管护栏厂的钢铁行业:优胜劣汰后 有望走出困境时间三季度,中经钢铁产业景气指数和预警指数均较上季度下降,延续了下滑趋势。三季度,钢铁产业粗钢产量虽略有增长,但产品销售收入和利润不增反
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