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1 我国铁合金的品种和产量 我国铁合金包括锰系、硅系、铬系和品种繁多、总产量只占铁合金总产量7％左右
1 China’s ferroalloy varieties and production China’s ferroalloy, including manganese, silicon, chromium and a wide variety, the total output of ferroalloy only accounts for about 7% of the total output