
Welding consumables - Wire electrodes, wires, rods and deposits for gas-shielded arc welding of creep-resisting steel - Classification
出版:International Organization for Standardization

專家解讀視頻
Welding consumables - Wire electrodes, wires, rods and deposits for gas-shielded arc welding of creep-resisting steel - Classification
出版:International Organization for Standardization
專家解讀視頻