Is a traffic safety facilities installed in the middle of the road marking or double yellow lines the middle, through its reflective properties inverse to remind drivers to press the lane.
是一种交通安全设施，安装在道路的标线中间或双黄线中间，通过其逆反射性能提醒司机按车道行驶。
Is a traffic safety facilities installed in the middle of the road marking or double yellow lines the middle, through its reflective properties inverse to remind drivers to press the lane.
是一种交通安全设施，安装在道路的标线中间或双黄线中间，通过其逆反射性能提醒司机按车道行驶。
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