echo for flaw
常见例句
- In the process of ultrasonic testing, the quality of flaw echo signals in A-scan lay a better determinant foundation for locational, quantitative and qualitative evaluation.
超聲檢測中缺陷廻波信號的質量是實現缺陷定位定量定性分析與評價的基礎，去噪是超聲檢測信號処理中很重要的環節。 返回 echo for flaw