
STEEL FOR THE REINFORCEMENT AND PRESTRESSING OF CONCRETE - TEST METHODS - PART 3: PRESTRESSING STEEL
出版:Comite Europeen de Normalisation

专家解读视频
STEEL FOR THE REINFORCEMENT AND PRESTRESSING OF CONCRETE - TEST METHODS - PART 3: PRESTRESSING STEEL
出版:Comite Europeen de Normalisation
专家解读视频