
TECHNICAL DRAWINGS - INDICATION OF DIMENSIONS AND TOLERANCES - PART 1: GENERAL PRINCIPLES
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
TECHNICAL DRAWINGS - INDICATION OF DIMENSIONS AND TOLERANCES - PART 1: GENERAL PRINCIPLES
出版:German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻