雷電衝擊發生器 LYCJ2000-400kV/20kJ 圖片

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主營產品：高壓開關測試儀校準裝置三杯絕緣油介電強度測試儀三相（xiàng）微機控製繼電保（bǎo）護測試儀真空開關（guān）真空度測試儀升流器核相儀