Rubber flexible cables with overall diameter less than 12 . 5 mm 橡胶绝缘软电线(其总直径少于12
2.
Pvc flexible cables with overall diameter less than 12 . 5 mm 聚氯乙烯绝缘软电线(其总直径少于12
3.
Calculation of maximum overall diameter of cables and specification of minimum tensile strength of suspension strand for low - frequency cables with polyolefin insulation and moisturebarrier polyolefin sheath 电缆最大总直径的计算以及带聚烯烃防潮层护套的聚烯烃绝缘和低频电缆的悬挂绞线的最小抗拉强度的规范