Creepage distances and clearances
爬电距离和电气间隙 Creepage distances and clearances 保护接地之阻抗 Earthing resistance test ..
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... 绝缘电阻和电气强度 Endurance and thermal test 爬电距离和电气间隙 Humidity test 耐久性试验和热试验 Insulation resistance and electric strength ...
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