pipe wall wave 管壁波

pipe pressure wave 油管压力波

oil pipe pressure wave 油管压力波

standing wave pipe 驻波管法

standing-wave pipe 驻波管

standing wave pipe method 驻波管法

high-pressure pipe pressure-wave 高压油管压力波

pipe circumferential Lamb wave 管道周向Lamb波

pipe circumferential SH guided wave 管道周向SH导波