ultrasonic assisted method

• 超声波

ultrasonic assisted method的用法和样例：

例句

1. Cracks can be detected by a method using ultrasonic waves.
   疵点可用超声波方法检测。
2. However, ultrasonic checks showed cracks in the seams.
   但是超声波检查，表明焊缝还有裂纹。