Comparison and Analysis for the Two RT Standards of SY/T 4109—2005 and JB/T 4730—2005
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Graphical Abstract
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Abstract
The RT standard SY/T 4109—2005 of weld seam ray detection technology and assessment of film in the practical application for the long-distance pipeline was discussed, through the comparison, the practicability of the new standard was high-lighted.
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