GB/T 29711-2023焊缝无损检测超声检测焊缝内部不连续的特征国家标准
英文:Non-destructive testing of welds—Ultrasonic testing—Characterization of discontinuities in welds GB/T 29711-2023介绍: 国...
英文:Non-destructive testing of welds—Ultrasonic testing—Characterization of discontinuities in welds GB/T 29711-2023介绍: 国...