“ultrasonic vibration drilling”的概念、定义、翻译、参考文献-科学参考

单词	ultrasonic vibration drilling
释义	ultrasonic vibration drilling Encyclopedia 工学超声辅助切削释 ultrasonic vibration drilling超声振动制孔在正常制孔过程中，给制孔刀具施加一定形式的超声频振动的制孔工艺。
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