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电压等级：圆线同心绞架空导线、扩径钢芯铝绞线、扩径空心导线
线芯材质：圆线同心绞架空导线、扩径钢芯铝绞线、扩径空心导线
绝缘材料：圆线同心绞架空导线、扩径钢芯铝绞线、扩径空心导线
电缆圆线同心绞架空导线、扩径钢芯铝绞线、扩径空心导线 Round wire concentric lay overhead electrical strander conductors
Diameter-expanded Corductors
Supported by round Wires Diameter-expanded Cordutors Supported by Flexible metalic pipe