
Autoclaved Aerated Concrete Masonry Units - Part 100: High Precision Units And Elements With Specific Properties
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
Autoclaved Aerated Concrete Masonry Units - Part 100: High Precision Units And Elements With Specific Properties
出版:German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻