Thermal - mechanical performance test on string insulator units 盘形悬式绝缘子串元件的热机械性能试验方法
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Insulators for overhead lines with a nominal voltage above 1000 v - ceramic or glass insulator units for a . c . systems - characteristics of insulator units of the cap and pin type 标称电压1000v以上架空线用绝缘子.交流设备用陶瓷或玻璃绝缘子.盘形和针形悬式绝缘子串元件的特性