cringe
发表于 2025-3-30 10:07:16
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不如屎壳郎
发表于 2025-3-30 16:21:35
Interpretation of radiographs,e.g. cracks, inclusions), errors in assembly, wrongly-positioned components or dimensional errors, and may or may not be significant. An understanding of the image provided assumes therefore that an image of a ‘correct’ specimen is available for comparison.
homocysteine
发表于 2025-3-30 19:21:39
1567-7990 ago. However, during 1993-95 the European Standards Organisa tion (CEN) commenced drafting many new standards on NDT including radiographic methods, and when completed these will replace national standards in all the EC member countries. In some cases these standards vary significantly from those i