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
高频脉冲微束等离子弧做为电子管阴极
刻栅极装配钎焊工艺的热源,提高了钎缝质
品的可靠性.
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相似单词
3G, 401(K), a,
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