detailed architect drawing of a structural building framework including stuctural truss, joints, roof and facade - 桁梁橋 幅插畫檔、美工圖案、卡通及圖標建築風格, 土木工程師, 技術員
antique illustration of 19th century industry, technology and craftsmanship: timber roof truss - 桁梁橋 幅插畫檔、美工圖案、卡通及圖標藍圖
metlac bridge of ferrocarril imperial mexicano (imperial mexican railway) train in veracruz, mexico - 19th century - 桁梁橋 幅插畫檔、美工圖案、卡通及圖標
architectural drawings featuring lamp posts and structural elements of an old bridge with detailed designs - 桁梁橋 幅插畫檔、美工圖案、卡通及圖標
view of a stone pier supporting the conflans viaduct truss bridge in france featuring viaduc de conflans - 桁梁橋 幅插畫檔、美工圖案、卡通及圖標
antique illustration of 19th century industry, technology and craftsmanship: timber roof truss - 桁梁橋 幅插畫檔、美工圖案、卡通及圖標藍圖, 圖畫 - 藝術品
architectural drawings featuring lamp posts and structural elements of an old bridge with detailed designs - 桁梁橋 幅插畫檔、美工圖案、卡通及圖標建築地盤, 華麗的
architectural drawings featuring lamp posts and structural elements of an old bridge with detailed designs - 桁梁橋 幅插畫檔、美工圖案、卡通及圖標
antique illustration of 19th century industry, technology and craftsmanship: timber roof truss - 桁梁橋 幅插畫檔、美工圖案、卡通及圖標藍圖
architectural drawings featuring lamp posts and structural elements of an old bridge with detailed designs - 桁梁橋 幅插畫檔、美工圖案、卡通及圖標建築風格, 橋 - 建築物, 藍圖