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本文利用超声波检测技术原理、埋弧焊接技术理论,结合在窄坡口焊缝实际检测工作中的经验,叙述窄间隙埋弧焊焊缝超声波检测方法及缺陷形成原因分析。
Based on the theory of ultrasonic testing technology and the theory of submerged arc welding, combined with the experience in the practical testing of narrow groove weld, the ultrasonic testing method of narrow gap submerged arc welding and the reason analysis of its defect formation are described.