
Railway applications - Infrastructure - Non-destructive testing on rails in track Part 3: Requirements for identifying internal and surface rail defects
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
Railway applications - Infrastructure - Non-destructive testing on rails in track Part 3: Requirements for identifying internal and surface rail defects
出版:German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻