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对丙烯腈反应器移热管管材进行超声波检测时,发现大量超标缺陷,具体介绍检测方法和参数及检测要点,分析缺陷产生原因。
A large number of excessive defects were found during the ultrasonic testing of the heat transfer pipe of acrylonitrile reactor. The detection methods, parameters and testing points were introduced in detail, and the causes of the defects were analyzed.