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研制了一套大功率电磁声探伤设备,并在钢坯及大锻件上进行了生产试验。对有氧化皮的φ600mm 大锻件可探测φ3mm 的平底孔。
Developed a set of high-power electromagnetic noise testing equipment, and in the billet and forgings on the production test. On the oxide scale 600mm forgings can detect φ3mm flat bottom hole.