
Concrete, Reinforced And Prestressed Concrete Structures - Part 4: Additional Rules For The Production And The Conformity Of Prefabricated Elements
出版:German Institute for Standardisation (Deutsches Institut für Normung)

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Concrete, Reinforced And Prestressed Concrete Structures - Part 4: Additional Rules For The Production And The Conformity Of Prefabricated Elements
出版:German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频