标签：#天津地铁B1线

天津地铁B1线

{{Infobox rail system-route | name = 天津地铁B1线 | code_name = B1线 | other_name = 滨铁1号线 | color = | logo = | logo_width = | image = Construction site of Tanggu Station, Tianjin Metro Line B1.jpg | image_width = 265px | image…