ultrasonic testing

non-destructive material testing using ultrasonic waves

en-US/ˌʌltɹəˈsɑnɪk ˈtɛstɪŋ/
en-GB/ˌʊltɹəˈsɒnɪk ˈtɛstɪŋ/

دسته بندی ها:

nondestructive testing