GB/T 23901.5-2019无损检测射线照相检测图像质量第5部分:双丝型像质计图像不清晰度的测定国家标准
英文:Non-destructive testing—Image quality of radiographs—Part 5: Determination of the image unsharpness and basic spatial...
英文:Non-destructive testing—Image quality of radiographs—Part 5: Determination of the image unsharpness and basic spatial...