original guiding sign system
常见例句
- Original guiding sign system is the origin phase of city public space guiding system and also an essential part of the development of city public guiding system.
原生态导向标识系统是城市公共空间导向系统的起源阶段，也是城市公共空间导向系统发展必不可少的环节。 返回 original guiding sign system