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近几年来由于世界范围的高炉关闭和停产,铁合金供应困难。1987年下半年《金属周报》报道“美国标准进口锰铁合金”报价从
In recent years due to the worldwide shutdown and shutdown of the blast furnace, ferroalloy supply difficulties. The second half of 1987, “Metal Weekly” reported “American Standard imported ferromanganese alloy ” from