电工必备电气安全知识

2026-02-01 网络整理佚名2020

Key Point:（2）雷电的危害形式具有雷电流幅值大、雷电流陡度大、冲击性强、冲击过电压高的特点；具有电性质、热性质和机械性质等3方面的破坏作用。 2、静电的特性（1）静电的产生 …

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