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介绍125MW机组发电机护环内壁裂纹超声波探伤方法的选择、探伤过程及结果,为其它型号机组发电机护环超声波探伤提供借鉴。
This paper introduces the selection of ultrasonic flaw detection method on the inner wall of the retaining ring of 125MW generator set, the process and the results of the flaw detection, and provides references for the ultrasonic flaw detection of the generator retaining ring in other types of generating units.