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本文提出了充水管道环焊缝X射线透照时管电压的估算公式;探讨了充半水小径管道环焊缝X射线透照的某些规律。
In this paper, the estimation formula of tube voltage during X-ray transillumination of filling pipe girth weld is proposed. Some regularities of X-ray transillumination of filling tube with semi-water trail are discussed.