The nondestructive testing technology has been widely used in bridge engineering, and the technology of testing the quality of concrete structures by ultrasonic has been widely used.
无损检测技术在桥梁工程中的广泛应用，超声波检测混凝土构件质量技术已被普遍采用。
The applications of impact-echo method on nondestructive testing for concrete structures are researched in this paper.
本文针对冲击回波法在混凝土无损检测中的应用展开研究。
The applications of impact-echo method on nondestructive testing for concrete structures are researched in this paper.
本文针对冲击回波法在混凝土无损检测中的应用展开研究。
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