micro-drill 微型打孔
pcb micro-drill pcb微钻
micro bone drill 微型骨钻
micro drill life 微小钻头寿命
helical micro-drill 螺旋面微钻头
Burrs for Micro Drill 毛刺微小钻头
Mandrel for Micro Drill 心轴用于微钻
Trephines for Micro Drill 用于微钻的环锯
Theoretical and experimental study on the reliability of micro drill is carried out.
首次对微小钻头可靠性进行了理论和试验研究。
Based on cutting and vibrating theories, the dynamic behavior of micro drill is studied by using the finite element method.
基于切削和振动理论，利用有限元技术对微细钻头振动钻入动力学特性进行了深入地研究。
Transverse excursion process of micro drill in ultrasonic longitudinal vibration drilling is analyzed by using finite element method.
利用有限元技术对微细钻头超声轴向振动钻入横向偏移过程进行深入分析。
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