
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