铜铝复合接触线
cu cladding al contact wire
Cu-Al hi-metallic contact wire
铜合金接触线
Copper-alloy Contact Wire
三相接触线
three-phase line of contact
three-phase contact line
高速列车接触线
high-speed train contact wire
高空跨箱区滑触线
slide-contact wire in overhead and spanned frame
电力牵引用内包式钢铝接触线
inner cladding type of St-Al contact wires for electric traction
终点触线
touching the finishing line