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运用超声波、X射线、金相试验等方法对钢管内焊缝边缘缺陷进行分析及识别,提出了消除此缺陷的控制措施。
Ultrasonic, X-ray and metallographic tests were used to analyze and identify the weld edge defects in steel pipe. The control measures to eliminate this defect were put forward.