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结合生产实践 ,介绍了国内焊管用超声波探伤仪存在的主要问题和国外同类仪器的特点 ,找出了国内焊管用超声波探伤仪的差距并提出了改进措施。
Combined with the production practice, this paper introduces the main problems existing in the domestic ultrasonic welding flaw detector and the characteristics of similar foreign instruments, finds out the gap between the domestic ultrasonic flaw detectors and puts forward the improvement measures.