此外，作为改型件，还可提供各种指示灯，避雷器，相位保护器和安全火花继电器。
In addition, various pilot lights, lightning arrestors, phase protectors and intrinsically safe relays are available as modifications.
在角落系列6雷电避雷器之间每极与地球和各种仪表。
A series of 6 lightning surge arrestors at corners between each pole and the earth and the various gauges.
介绍了静电场中电位悬浮导体的处理方法以及它们在氧化锌避雷器电位分布计算中的应用情况，并分析了各种方法的优劣。
The treatment method for stress suspended conductor in static electric field and its application in stress distribution calculation of MOA is presented.
介绍了静电场中电位悬浮导体的处理方法以及它们在氧化锌避雷器电位分布计算中的应用情况，并分析了各种方法的优劣。
The treatment method for stress suspended conductor in static electric field and its application in stress distribution calculation of MOA is presented.
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