维护大功率电子管和延长其使用寿命，对保障电视发射机稳定、安全、可靠地工作和节约资金都起着重要作用。
The maintainance of high power vacuum tube and the prolongation of its service life play an important role in the steady, safety and reliable operation of TV transmitter and in saving of money.
采用高频脉冲微束等离子弧做为电子管阴极和光刻栅极装配钎焊工艺的热源，提高了钎缝质量和产品的可靠性。
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.
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