
Technical drawings - General principles of presentation Part 40: Basic conventions for cuts and sections (ISO 128-40:2001)
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
Technical drawings - General principles of presentation Part 40: Basic conventions for cuts and sections (ISO 128-40:2001)
出版:German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻