
Gears - Cylindrical Involute Gears And Gear Pairs - Inspection Dimensions Of Tooth Thickness
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
Gears - Cylindrical Involute Gears And Gear Pairs - Inspection Dimensions Of Tooth Thickness
出版:German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻