ultrasonic testing
柯林斯词典
1. N the scanning of material with an ultrasonic beam, during which reflections from faults in the material can be detected: a powerful nondestructive test method 超声波检测[engineering]
返回 ultrasonic testing
1. N the scanning of material with an ultrasonic beam, during which reflections from faults in the material can be detected: a powerful nondestructive test method 超声波检测[engineering]