交流500kV及以下纸或聚丙烯复合纸绝缘金属套充油电缆及附件 第2部分: 交流500kV及以下纸绝缘铅套充油电缆
Oil-filled, paper or polypropylene paper laminate insulated, metal-sheathed cables and accessories for alternating voltages up to and including 500kV - Part 2:Oil-filled paper insulated, lead-sheathed cables for alternating voltages up to and including 500kv