长距离超声导波
long range guided wave ultrasonic testing
超导温度
superconductivity temperature
超声波声速测量
Ultrasonic velocity measurement
超声波声速计
ultrasonic wave velocimeter
超声导波技术
ultrasonic guided wave technology
超声导波检测
ultrasonic guided wave inspection
Ultrasonic guided wave testing
Ultrasonic guide wave testing
超声导波理论
ultrasonic guided wave technique