1. 2, make steel-making to decoke use magnesian noodles or vermicelli made from bean or sweet potato starch (grain) occupation standard;
   2、制定炼钢脱硫用镁粉(粒)行业标准;
2. 2、制定炼钢脱硫用镁粉(粒)行业标准;
   2, make steel-making to decoke use magnesian noodles or vermicelli made from bean or sweet potato starch (grain) occupation standard;

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