用于电站热交换管检测的四频涡流检测仪

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详细介绍了四频涡流检测仪的工作原理和技术特点 ,提出了制作检测线圈的具体要求 The working principle and technical characteristics of the four-frequency eddy current detector are introduced in detail, and the specific requirements for making the detection coil are proposed
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