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冶金部于4月14—19日在武汉召开了全国钢铁企业轧钢加热炉节能会议,出席会议的有各省、市、自治区冶金厅(局),重点及部分
The Ministry of Metallurgy held an energy saving meeting of the rolling mill for steel enterprises in Wuhan on April 14-19 April. Metallurgical halls (bureaus) of all provinces, municipalities and autonomous regions attended the meeting, with emphasis and part