城市沥青道路路面
city bitumen road surface
人行道、道路和停车场及附属设备
walk
road & parking appurtenances
不安全行为致因因素
factors causing unsafe behavior
人误原因因素
human error cause factors
事故致因因素
accident causation factor
土地定级因素因子定量化模型
The city land classification and land price evalua
The city land classification and land price evaluation