
Cranes - General Design - Part 3-2: Limit States And Proof Of Competence Of Wire Ropes In Reeving Systems
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
Cranes - General Design - Part 3-2: Limit States And Proof Of Competence Of Wire Ropes In Reeving Systems
出版:German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻