户外针式支柱绝缘子
outdoor pedestal type post insulator
低压线路针式绝缘子
low tension line pin-type insulator
pin type insulator for low voltage line
电话线路针式绝缘子
pin insulator for telephone line
防污型高压线路针式绝缘子
pin type anti-pollution insulator for high voltage over-head line
高压线路针式绝缘子
pin type insulator for high voltage line
高压针式绝缘子
high-voltage pin insulator
high tension pin-type insulator
防雷支柱绝缘子
lightning protection post insulator
防污型实心支柱绝缘子
anti-pollution solid-core post insulator
瓷质悬式绝缘子的检测
Detection of porcelain suspension insulators