用金属磁记忆检测技术，对不同热处理状态下焊接件的磁场强度进行了检测和分析。
The magnetic density of weldments was detected and analyzed in different heat treatment conditions by metal magnetic memory technology.
用金属磁记忆检测技术可有效判断套管的应力集中区域，为套管损坏进行早期诊断。
Metal magnetic memory testing technique can effectively distinguish stress concentration zone of casing, which can develop early diagnose for casing damage.
金属磁记忆检测技术是能够对焊接裂纹进行早期诊断的最具有潜力的无损检测方法之一。
Metal magnetic memory(MMM) is one of the most potential non-destructive testing methods which can diagnose welding crack in early stage.
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