
Mechanical Vibration - Rotor Balancing - Part 32: Shaft And Fitment Key Convention (iso/fdis 21940-32)
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
Mechanical Vibration - Rotor Balancing - Part 32: Shaft And Fitment Key Convention (iso/fdis 21940-32)
出版:German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻