炼铝工业。
工商业发达，有炼铝、化学、炼焦、化肥、炼油、钢铁等工业。
Industry and commerce developed, there are aluminum, chemicals, coke, fertilizer, oil refining, iron and steel industries.
采用优质阴极碳块是完善和提高我国大型预焙槽炼铝技术，增强铝电解工业竞争力的关键因素之一。
To enhance the competitiveness of our aluminium industry, one of the key factors is to catch up the world advanced level of cathode technique and further improve our aluminium smelting technology.
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