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。

youdao

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。

youdao