ultrasonic guider for the blind.
超声导盲器
Ultrasonic guided wave testing is widely used for the inspection of buried pipelines at present.
介绍了超声导波检测埋地管道的特点和应用。
Research on Restraining Dispersive Characteristics of Ultrasonic Guided Wave in a Long Pipe
管道长距离超声导波模态频散现象的抑制方法研究
PROPAGATION CHARACTERISTICS OF HIGH FREQUENCY LONGITUDINAL ULTRASONIC GUIDED WAVES IN STEEL ROD EMBEDDED IN INFINITE MEDIUM
高频纵向超声导波在埋于无限大介质中钢杆的传播特性
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