Practice shows that the sealing reliability of MOA have been enhanced by using the double sealing and excluding traditional arc-isolating cylinder and FRP rode.

实践证明，采用双重密封结构，取消传统MOA中的隔弧筒和引拔棒，提高了MOA的密封可靠性。

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It is pointed out that the proper adjustment of arc suppression coil and coordination of system parameters may reduce the setting values and improve the running reliability.

通过计算及试验指出，合理调整消弧线圈与系统参数的配合，可以降低保护定值，提高运行可靠性。

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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。

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