Considering problem of the leading electrode of the Locomotive traction motor crack flaw, the eddy current testing method for leading electrode crack defect is researched in the paper.
针对机车牵引电机主极裂纹问题，本文深入地研究了用电涡流方法实现对主极裂纹检测的问题。
The device looks like a clamp, and has liquid container, electrode, leading wire, etc fixed onto the clamp.
该装置外观即为一夹子，储液容器、电极、电极引线等均固定在夹子上。
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