开道车会闪烁什么样的警示灯光?What kind of warning lights will the road truck flash?红色Red红蓝双色Red and blue黄色Yellow黄色或是黄紫双色Yellow or yellow-purple dual-color 上一题下一题 反馈问题红色是救护车或消防车,红蓝双色是警车,纯黄色是道路施工和维护车辆,开道车通常都是黄紫双色的