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高速鐵路預制先張法預應力混凝土簡支梁(英文版)

Precast Pretensioned Prestressed Concrete Simple-supported Beam of High-speed Railway
標準號:TB/T 3433-2016E
Precast Pretensioned Prestressed Concrete Simple-supported Beam of High-speed Railway
標準號:TB/T 3433-2016E