
Shaft To Collar Connection - Polygon Profile P3g - Part 1: Generalities And Geometry
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
Shaft To Collar Connection - Polygon Profile P3g - Part 1: Generalities And Geometry
出版:German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻