echo contact meaning in English
回声接触
Examples
- Measuring thickness by ultrasonic pulse - echo contact method
接触式超声波脉冲回波法测厚 - Standard practice for measuring thickness by manual ultrasonic pulse - echo contact method
用人工超声脉冲回波接触法测量厚度的标准实施规程 - Standard test method for measurement of ultrasonic attenuation coefficients of advanced ceramics by pulse - echo contact technique
用脉冲反射接触技术测量高级陶瓷超声衰减系数的标准试验方法