
Iso/dis 15630-3 - Steel For The Reinforcement And Prestressing Of Concrete - Test Methods - Part 3: Prestressing Steel
出版:British Standards Institution

专家解读视频
Iso/dis 15630-3 - Steel For The Reinforcement And Prestressing Of Concrete - Test Methods - Part 3: Prestressing Steel
出版:British Standards Institution
专家解读视频