远场涡流技术结合计算机技术和有限元分析方法，解决了在役铁磁性材料换热器管检验的问题。
Remote field eddy current technique combined with computer technique and finite element analysis was used to examine the inservice ferromagnetic heat exchanger tubing.
概述本规程适用于铁磁性材料和焊缝的磁粉检验。
Overview This order applies to iron magnetic material and weld Magnetic particle inspection.
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