纵向导波
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longitudinal ultrasonic guided wave 纵向超声导波
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Based on the theory of elastodynamics, the longitudinal guided wave and flexural guided wave group velocity dispersion curves for M22 stud were calculated.
根据弹性动力学理论，采用纵向导波与弯曲导波相结合的方法对螺柱所受轴向应力进行无损检测。
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