標題: ASTM D 2477-2002E 2在工業用電頻率時絕緣氣體介電擊穿電壓... [打印本頁] 作者: 兌水 時間: 2009-10-2 11:37 標題: ASTM D 2477-2002E 2在工業用電頻率時絕緣氣體介電擊穿電壓... D2477-02 Standard Test Method for Dielectric Breakdown Voltage and Dielectric Strength of Insulating Gases at Commercial Power Frequencies