GB/T 23901.1-2019无损检测射线照相检测图像质量第1部分:丝型像质计像质值的测定国家标准
英文:Non-destructive testing—Image quality of radiographs—Part 1: Determination of the image quality value using wire-type...
英文:Non-destructive testing—Image quality of radiographs—Part 1: Determination of the image quality value using wire-type...