According to the difference of the medium, along which the surface soundwave propagates, the detection method is classified, and the general principle, progress, and its application are introduced.
This technique solves the puzzle of soundwave coupling and makes sure that the quality with ultrasonic detection is sound.
这一技术解决了声波耦合的难题,使超声波自动检测质量得到了保证。
3
In this paper, the actuality of concrete detection, several working modes and theories of bore soundwave methods, and their application in engineering are introduced.