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简介: 铁道部统计不锈钢复合管中心的数据显示,2012年铁路系统完成39.0438亿吨,同比减少2825万吨,减少率为0.7%,其中国铁系统同比减少更是达1.8%。此前铁道部一直延续着计划经济的做法,即每年年初会有运输计划的指标下达,各铁路局按
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