ultra-sonic test

• 超声波检测

ultra-sonic test的用法和样例：

例句

1. In this paper, the principle of applying ultrasonic wave method to detecting drill-hole grouting quality is described and the test result is analyzed.
   笔者介绍了超声波检测钻孔灌浆质量的方法原理并做了测试效果分析。