额定电压 66 kV(Um=72.5 kV)和110 kV(Um=126kV)交联聚乙烯绝缘电力电缆及其附件 第2部分：电缆

Power cables with cross-linked polyethylene insulation and their accessories for rated voltage of 66 kV(Um=72.5 kV) and 110 kV (Um=126 kV)—Part 2: Power cables