圣约翰桥,1984-91, Porto, Portugal Railroad Bridge with double tracks 双线铁路连续刚构桥Span 59-5x60-125-250-125-2x60-50m,width 12m
Railroad Bridge with double tracks 双线铁路连续刚构桥
Span 59-5x60-125-250-125-2x60-50m,width 12m
圣约翰桥,1984-91, Porto, Portugal Railroad Bridge with double tracks 双线铁路连续刚构桥Span 59-5x60-125-250-125-2x60-50m,width 12m
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