爬波是一种在材料的表面下传播的压缩波，对表面和近表面缺陷非常敏感。
Creeping wave is a type of compressional wave, which propagates below the surface and is sensitive to surface and near-surface defects.
研究了红外热成象技术用于近表面缺陷的探测，给出了对两种薄壁材料中缺陷的探测结果。
The thermographic method as a nondestructive testing for the detection of subsurface defects is investigated. Results are given for the evaluation of defects in a series of thin-walled materials.
该装置采用全油浸耦合，用聚束探头检测近表面缺陷，用表面波检测表面裂纹，用计算机化c扫描定量缺陷尺寸。
By oil immersion coupling. the system can be used to detect near surface defects with focussing probe. find surface cracks with surface wave probe and determine defect size with computerized C-scan.
轧制过程中各道次的不均匀变形和挤压褶皱造成了圆钢表面的长条形缺陷，而表面和近表面缺陷是造成冷顶锻开裂的主要原因。
Uneven deformation and extrusion drape in the different pass when rolling cause long strip defect on the surface. Defects on the surface and near surface are the main cause for cold heading to craze.
荧光磁粉探伤是一种常用的无损检测方法，是控制产品质量的重要手段，用于检测钢制零件的表面及近表面的裂纹缺陷。
Fluorescent magnetic particle detection is a NDT method that often is used for testing trivial flaws on the surface of some steel workpiece and for controlling qualities of product.
由于屏蔽电动机螺栓的制造工艺所决定，在其表面及近表面易存在缺陷。
There is defects on the surface and near surface of the bolt in canned motor pump because of manufacturing technique.
荧光磁粉探伤是一种常用的无损检测方法，用于检测钢制零件的表面及近表面的裂纹缺陷，长期以来一直被认为是表面裂纹检测最灵敏的方法之一。
Fluorescent magnetic particle detection is a NDT method that often used for testing trivial flaws on the surface of ferromagnetic materials in order to control the qualities of product.
荧光磁粉检测是一种常用的无损检测方法，用于检测钢制零件的表面及近表面的裂纹缺陷，长期以来一直被认为是表面裂纹检测最灵敏的方法之一。
Fluorescent magnetic particle testing is a NDT method that often used for testing trivial flaws on the surface of ferromagnetic materials in order to control the qualities of product.
由于屏蔽电动机螺栓的制造工艺所决定，在其表面及近表面易存在缺陷。
There is defects on the surface and near surface of the bolt in canned motor pump because of manufacturing technique. So, we adopt magnetic powder detection of faults to inspect it.
由于屏蔽电动机螺栓的制造工艺所决定，在其表面及近表面易存在缺陷。
There is defects on the surface and near surface of the bolt in canned motor pump because of manufacturing technique. So, we adopt magnetic powder detection of faults to inspect it.
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