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Brazing quality and product reliability are both increased as using high frequency pulse microplasma arc heating process for assembly brazing of cathode and photoetching grid of electron tube.

采用高频脉冲微束弧做为电管阴极和刻栅极装配钎焊工艺,提高了钎缝质量和产品可靠性.

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3G, 401(K), a,

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