鋼(gang)(gang)芯鋁(lv)(lv)(lv)絞(jiao)絲線(xian)它(ta)內部是鋼(gang)(gang)“芯”,外(wai)部是用(yong)鋁(lv)(lv)(lv)線(xian)通過絞(jiao)合(he)方(fang)式纏繞在鋼(gang)(gang)芯周圍;鋼(gang)(gang)芯主要(yao)起增(zeng)加強度(du)的作(zuo)用(yong),鋁(lv)(lv)(lv)絞(jiao)線(xian)主要(yao)起傳送電能的作(zuo)用(yong); 鋼(gang)(gang)芯鋁(lv)(lv)(lv)絞(jiao)線(xian)的型號(hao)分為(wei):JL/G1AJL/G1BJL/G2AJL/G2BJ...