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铜和铝是常用的电导体材料,二者的相互替代一直延续至今。这种相互替代之所以存在,是经济因素和导体性能博弈的结果。目前有外资企业在我国生产铝合金电缆,并力推其用
Copper and aluminum are common electrical conductor materials, and their mutual replacement has continued to this day. The existence of such mutual substitution is the result of the game of economic factors and conductor performance. Currently there are foreign-funded enterprises in China production of aluminum cables, and push its use