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高速铁路预制先张法预应力混凝土简支梁(英文版)

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