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本文探讨小口径管对接焊缝X射线探伤。当焊缝存在加强高Δx时的计算公式、最少透照次数M的计算公式以及辅助装置的计算原理。
This article discusses X-ray inspection of small-bore pipe butt welds. When the weld exists to enhance the high Δx when the formula, the minimum number of transillumination M formula and calculation of the auxiliary device principle.