
STEEL FOR THE REINFORCEMENT AND PRESTRESSING OF CONCRETE - TEST METHODS - PART 1: REINFORCING BARS, WIRE ROD AND WIRE
出版:Comite Europeen de Normalisation

專家解讀視頻
STEEL FOR THE REINFORCEMENT AND PRESTRESSING OF CONCRETE - TEST METHODS - PART 1: REINFORCING BARS, WIRE ROD AND WIRE
出版:Comite Europeen de Normalisation
專家解讀視頻