
BS EN ISO 15630-1. Steel for the reinforcement and prestressing of concrete. Test methods. Part 1. Reinforcing bars, wire rod and wire
出版:British Standards Institution

專家解讀視頻
BS EN ISO 15630-1. Steel for the reinforcement and prestressing of concrete. Test methods. Part 1. Reinforcing bars, wire rod and wire
出版:British Standards Institution
專家解讀視頻