ICS03.220.20CCSR8445广西壮族自治区地方标准DB45/T2719—2023公交专用车道设置规范Specificationforbuslanessetting2023-08-10发布2023-09-30实施广西壮族自治区市场监督管理局发布DB45/T2719—2023I目次前言.................................................................................II1范围...............................................................................