根据表达式做出了矩形缺陷漏磁场的图像；
The rectangular defects'MFL images were drawn on the basis of expressions.
分析了大量缺陷漏磁场数据，选取了量化缺陷外形的漏磁场特征，给出了缺陷外形和漏磁场特征的关系曲线。
Some features of magnetic flux leakage were used to analyze the length, width, depth of defects and their relationship was given.
磁记忆法通过对部件表面漏磁场的检测，可以有效检测管座角焊缝中存在的缺陷，减少泄漏现象的发生。
The magnetic memory method, through examining the leakage magnetic field on the surface of the parts, can effectively find out the defects in fillet joints, which can diminish the leakage.
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