
Shafts And Axles, Calculation Of Load Capacity - Part 3: Strength Of Materials
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
Shafts And Axles, Calculation Of Load Capacity - Part 3: Strength Of Materials
出版:German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻