模型介绍

 <SPAn style="-webkit-tap-highlight-color: rgba(0, 0, 0, 0); box-sizing: border-box; margin: 0px; padding: 0px; word-wrap: break-word; color: rgb(68, 68, 68); font-family: Arial, "microsoft yahei"; font-size: 14px; text-align: justify; text-indent: 28px;">现代人行天桥模型，人行天桥又称人行立交桥。一般建造在车流量大、行人稠密的地段，或者交叉口、广场及铁路上面。人行天桥主要是为了避免大量的车流量，减少车祸的发生。SPAn><SPAn style="-webkit-tap-highlight-color: rgba(0, 0, 0, 0); box-sizing: border-box; margin: 0px; padding: 0px; word-wrap: break-word; color: rgb(68, 68, 68); font-family: Arial, "microsoft yahei"; font-size: 14px; text-align: justify; text-indent: 28px;">易图网为您提供下载服务，好看实用。SPAn>