
Testing Of Metallic Materials; Technological Bend Test On Welded Joints & Welded Platings
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
Testing Of Metallic Materials; Technological Bend Test On Welded Joints & Welded Platings
出版:German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻