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我厂在100kw高频机上,用高频电流加热熔化石墨坩埚中的氯化钡,进行小批量高速钢刃具、模具的淬火加热,收到了满意的
I plant 100kw high-frequency machine, with high-frequency current heating melting graphite crucible in the barium chloride, small quantities of high-speed steel cutting tool, quenching mold heating, received a satisfactory