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此分类为[西安这座城作文500字]最新发布的文章，帮您了解更多汽车资讯和知识
急～ 求一篇关于西安地铁英语作文MetroMain article: Xian MetroCurrently the metro system is designed with 6 lines.The 2nd route has opened in September 16 2011. The
