Isbn: 9787111672173 - 相控阵超声波检测技术及应用 万升云 轨道交通装备无损检测人员资格培训及认证系列 (1 risultati)

paperback. Condizione: New. Language:Chinese.Paperback.Pub Date:2021-12-01 Pages:193 Publisher:Machinery Industry Press According to ISO/TR 25107-2016 Non-destructive Testing Personnel Training Program. GB/T 9445-2015 Non-destructive Testing Personnel Qualification and Certification and EN473/ISO 9712-2015 Non-destructive Testing Personnel Qualification and Certification standard requirements written. This book is divided into 12 chapters. the main contents include: overview. physical basis of ultrasonic testing. probes.…