
Geometrical product specifications (GPS) - Geometrical tolerancing - Datums and datum systems (ISO 5459:2011)
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
Geometrical product specifications (GPS) - Geometrical tolerancing - Datums and datum systems (ISO 5459:2011)
出版:German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻