smelting and pressing of ferrous metals
黑色金属冶炼及压延加工业(smelting and pressing of ferrous metals)
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包括黑色金属冶炼及压延加工业、有色金属冶炼及压延加工业。
The ferrous metal smelting and rolling processing industry, non-ferrous metal smelting and rolling processing industry, etc are included in the metallurgy industry.
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