In NDT(Non-destructive Testing) of weld flaw, UT(Ultrasonic Testing) is an important method.
在焊接缺陷的无损检测中，超声检测是一种重要的无损检测方法。
参考来源 - 焊接缺陷超声检测信号的小波分析与处理·2,447,543篇论文数据，部分数据来源于NoteExpress
Study on the automatic grading system for weld flaw on the radiogragh;
焊缝缺陷在线高温超声波检测的研究和应用基本上未见报道。
Weld structure may appear flaw, wear or damage when worked under the complex and rigorous condition for a long time, which eyen lead equipments into waster.
焊接结构在复杂和苛刻的条件下长期工作会出现裂纹、磨损或损坏，严重时甚至导致设备报废。
After the ultrasonic wave 100% inspecting repairing weld, nothing linear flaw is discovered and the quality is qualified.
经超声波100%检查修补焊缝，未发现任何线性缺陷，质量合格。
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