According to the characteristics of tubing-magnetic-leakage detection, tubing magnetization and residual magnet in it are analyzed.
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。
The residual magnetic devices can include a coil that receives a magnetization current to create a irreversible residual magnetic force between the core housing and the armature.
剩磁装置可包括线圈，其接收磁化电流以在铁心壳与衔铁之间产生不可逆剩磁力。
The residual magnetic devices can include a coil that receives a magnetization current to create a irreversible residual magnetic force between the core housing and the armature.
剩磁装置可包括线圈，其接收磁化电流以在铁心壳与衔铁之间产生不可逆剩磁力。
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