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用电镀金刚石铰刀加工中硅铝合金孔(汽车活塞销孔)的科研成果,在1984年10月北京举行的全国17城市职工“双技”展览会上受到好评。
The use of electroplated diamond reamers to process silicon aluminum alloy holes (automobile piston pin holes) was well received at the “Double Tech” Exhibition of 17 cities across the country held in October 1984 in Beijing.