根据油管漏磁无损检测的特点，分析了油管的磁化作用和其中存在的剩磁。
According to the characteristics of tubing-magnetic-leakage detection, tubing magnetization and residual magnet in it are analyzed.
漏磁无损检测普遍用于铁磁材料的无损检测中，是近年来输油管道检测中常用的一种有效方法。
Magnetic flux leakage (MFL) nondestructive evaluation commonly used in the nondestructive evaluation of ferromagnetic material is an efficient method in inspection of oil pipelines in recent years.
在采用漏磁法对输油管道进行无损检测过程中，信号会受到各种噪声的干扰。
There are varying noises in output signal obtained from magnetic flux leakage nondestructive testing of oil pipeline.
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