简述了控制螺旋焊管钢带剪刃质量的两种无损探伤方法的探伤机理。
This paper introduces two methods of nondestructive testing mechanism for controlling strip shear knife quality in spiral welded pipe.
本文比较详细地介绍了基于模态理论的无损探伤方法，即频率法、能量法、柔度矩阵法等。
In the paper, some non-destructive methods based on mode theory such as frequency method, energy method and matrix method are introduced.
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.
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