为进行硬脆材料的旋转超声加工，研制了智能超声波发生器。

A smart ultrasonic generator was investigated for rotary ultrasonic machining of hard, fragile material.

youdao

为进行硬脆材料的旋转超声加工，研制了智能超声波发生器。

A smart ultrasonic generator was investigated for rotary ultrasonic machining of hard, fragile material.

youdao