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避雷器是电力系统各类电气设?福ū溲蛊鳌⒌缈蛊鳌⒎⒌缁⒌缍T、CT、断路器、接触器等)绝缘配合的基础,由避雷器的保护性能确定电力系统所有电气设备的内外绝缘指标(短时工频耐压、雷电冲击耐压和操作冲击耐压等)。
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