铜矿和冶炼工业集团 KGHM
黑色金属冶炼及压延加工业 smelting and pressing of ferrous metals
有色金属冶炼及压延加工业 smelting and pressing of non-ferrous metals
目的了解有色金属冶炼工业环境污染对人群健康的影响。
ObjectiveTo explore the effects of environmental pollution of nonferrous metal to health of population.
硫酸锰是冶炼工业的重要原料，市场需求量大，具有很好的经济效益。
Manganese sulfate is important raw materials in smelting industry. With great market demand, it has the good economic benefits.
在冶炼工业的电弧炉中有效地控制电极电流，对于电弧炉正常运行至关重要。
Its very important to control the electrode current of arc furnace.
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