• The roots of the arc must not be allowed to come into contact with insulator surface, whereas the middle of the arc channel can do so.

    电弧接触绝缘子表面允许电弧通道中间部分可以擦过绝缘子。

    youdao

  • The roots of the arc must not be allowed to come into contact with insulator surface, whereas the middle of the arc channel can do so.

    电弧接触绝缘子表面允许电弧通道中间部分可以擦过绝缘子。

    youdao

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