
Application Of Construction Products In Structures - Part 5: Strength Graded Structural Timber With Rectangular Cross Section
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
Application Of Construction Products In Structures - Part 5: Strength Graded Structural Timber With Rectangular Cross Section
出版:German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻