Guimeng chromium alloy, furnace charge ores, manganese residue rich production sales.

硅锰铬合金、炉料矿石、富锰渣的生产销售。

In the meanwhile the furnace charge and products are computed and effects of change in scrap ratio on pro...

同时，还进行了炉料和产物的计算，分析了改变废钢比对生产的影响。

The low purity of furnace charge and accessories and the improper smelting and pouring crafts were regarded as the formation reason of the oxide film.

同时，分析认为这种氧化膜的形成与金属炉料、铸造辅料的洁净度不够以及熔炼、浇注不合理有关。