Summarizes several magnetization methods of detecting steel wires, introduces the theory of magnetic bridge, and gains the structure size of the excitation device through calculating and experiment.
简述了钢丝绳无损检测的几种磁化方式，介绍了磁桥路检测法的原理，并结合理论计算和试验得出了钢丝绳截面积变化检测励磁器的结构尺寸。
The pipeline reducing diameter detecting device is positioned via magnetic field signals.
通过磁场信号来对该管道变径检测装置来进行定位。
The magnetic field signals are substantially free from interference, thus greatly enhancing the positioning accuracy of the pipeline reducing diameter detecting device.
由于磁场信号基本不受干扰，因此大大增强了该管道变径检测装置的定位精确性。
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