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介绍了双胶片透照和磁光探伤技术的基本原理、使用方法以及在电厂锅炉风机叶片生产和在役检验中的应用。
This paper introduces the basic principle and application method of transillumination and magneto-optical flaw detection technology of double film and its application in the production and in-service inspection of fan blades of power plant boilers.