GB/T 23901.2-2019无损检测射线照相检测图像质量第2部分:阶梯孔型像质计像质值的测定国家标准
英文:Non-destructive testing—Image quality of radiographs—Part 2:Determination of the image quality value using step/hole-...
英文:Non-destructive testing—Image quality of radiographs—Part 2:Determination of the image quality value using step/hole-...