世博展馆建筑主要由钢构构成。
The buildings of Expo pavilions are mainly made of steel structures.
“世博展馆奇观五枚套章”经上海世博会事务协调局授权制造发行。
This World Expo Shanghai Participating Nations' Pavilions Quinary Medallion Set is made by authorization of the Bureau of Shanghai World Expo Coordination.
“世博展馆魅力双枚纪念章”经上海世博会事务协调局授权制造发行。
This World Expo Shanghai Fascinating Pavilions Twin Commemorative Medallion Set is made by authorization of the Bureau of Shanghai World Expo Coordination.
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