“design of ultrasonic machining system”的概念、定义、翻译、参考文献-科学参考

单词	design of ultrasonic machining system
释义	design of ultrasonic machining system Encyclopedia 工学超声加工系统设计释 design of ultrasonic machining system超声加工系统设计根据加工工艺特点，确定出具有满足加工要求的频率特性、振动特性和结构特性的目标超声系统的过程。
随便看	precapillaly sphincter pre-capitalist law of population precarburization precast pre-cast concrete precast concrete double T slab precast concrete frame-shear wall(core wall)structure precast concrete frame structure precast concrete frame structure with specially shaped columns precast concrete shear wall structure precast concrete structure precast concrete track beam precast pavement precast prestressed composite floor slab precast prestressed hollow floor slab pre-cataclysmic binary pre-cataclysmic variable precategory precaution precautionary approach precautionary demand for money precautionary principle precautionary principle of biosafety assessment precautionary principle of EMF precaval vein

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