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小径管焊缝在X射线一次椭圆透照中,由于壁厚变化较大,检出范围较小,本文提出了一些技术措施,使检出范围有所扩大。
Small diameter tube weld X-ray ellipse in a transillumination, due to the larger wall thickness changes, the detection range is small, this paper presents some technical measures to make the detection range has been expanded.