near surface defect 中文意思是什麼
near surface defect
解釋
近表面缺陷-
The alternating current in the alternating current magnetic field leakage testing ( ac - mfl ) is one of the magnetizing manners. the sensitivity is very high to the defect of surface and the near to the surface of the workpiece. it is one of the developing directions of nondestructive testing ( ndt ) domain
交變漏磁檢測技術中的交變是漏磁檢測技術中的一種磁化方式,該技術對工件表面及近表面缺陷具有較高的檢測靈敏度,是無損檢測領域未來主要發展方向之一。
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