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一引言随着对工业产品质量和安全要求的不断提高,无损检测的应用范围也日趋扩大。从而对无损检测人员也提出了相应的要求。无损检测专业活动的日益开展反映了工业对其产
I. INTRODUCTION With the continuous improvement of the quality and safety requirements of industrial products, the application range of non-destructive testing is also expanding. Thus non-destructive testing personnel also made the corresponding requirements. The increasing occurrence of non-destructive testing professional activities reflects the industrial production