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| 粉末冶金高速钢; 粉末冶金高速钢; 粉末高速钢 (【技】采用粉末冶金方法制取的高速钢。其主要生产流程为：先用雾化法生产低氧高速钢预合金粉末，然后用冷、热等静压机将粉末压实为全致密的钢坯，再锻、轧成材。) | |||
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