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.
超声检测中缺陷回波信号的质量是实现缺陷定位定量定性分析与评价的基础，去噪是超声检测信号处理中很重要的环节。 返回 echo for flaw