题目【填空题】汽车电源系导线主色是_________色,搭铁线是_________色,代号为BW的导线是_________色【填空题】汽车电源系导线主色是_________色,搭铁线是_________色,代号为BW的导线是_________色题目解答答案红,黑,黑白