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本文分析了几种典型涡流仪(国外商品)不适于马氏体不锈钢叶片裂纹检查的原因并报导7701型自动平衡袖珍式涡流仪的特点和试验结果。
This paper analyzes the reasons why several typical eddy current analyzers (foreign products) are not suitable for the crack detection of martensitic stainless steel blades and reports the characteristics and test results of 7701 automatic balance pocket eddy current instrument.