预制混凝土结构 Precast Concrete structure ; Pre-cast Concrete Structural Frames
预应力混凝土结构施工 construction of prestressed concrete structure
后张法预应力混凝土结 posttensioned prestressed concrete structure
预应力混凝土结构 prestressed concrete structure
在役预应力混凝土结构 In-service prestressed concrete structure
后张预应力混凝土结构 Post-Tensioned Concrete Structure
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