
Hot Rolled Steel Equal Flange Tees With Radiused Root And Toes - Dimensions And Tolerances On Shape And Dimensions. (pren 10055)
出版:British Standards Institution

專家解讀視頻
Hot Rolled Steel Equal Flange Tees With Radiused Root And Toes - Dimensions And Tolerances On Shape And Dimensions. (pren 10055)
出版:British Standards Institution
專家解讀視頻