the place of repair work is fenced with a red and white ribbon. medium plan enclosed by red and white ribbon and roadwork mark work site with asphalt and earth.

the place of repair work is fenced with a red and white ribbon. medium plan enclosed by red and white ribbon and roadwork mark work site with asphalt and earth.
关键词
安全背景绕道路面城市工作道路注意道路工程城市注意事项白色箭头路标黄色警报红色维护保养信号停止三角形现场警告行业设备橙色交通交通运输标志已关闭户外下汽车施工护栏街道修理沥青安全限制符号危险进度运输前方

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