介紹:
圓線(xiàn)同心絞架空導線(xiàn) 擴徑鋼芯鋁絞線(xiàn) 擴徑空心導線(xiàn)
Round wire concentric lay overhead electrical strander conductors
Diameter-expanded Corductors
Supported by round Wires Diameter-expanded Cordutors Supported by Flexible metalic pipe
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