该装置能使油腊中的压力以超声频率变化，从而使试样表面在较短的时间内发生气蚀磨损。

This device can make the pressure inside the oil film changed at ultrasonic frequency, which enable the specimen surface to be damaged by cavitation erosion in a comparatively short time.

youdao

该装置能使油腊中的压力以超声频率变化，从而使试样表面在较短的时间内发生气蚀磨损。

This device can make the pressure inside the oil film changed at ultrasonic frequency, which enable the specimen surface to be damaged by cavitation erosion in a comparatively short time.

youdao