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1·The surface has great difference between the spark machining and the cutting.

电火花加工的表面与切削加工的表面有很大区别。

2·Properties and quality of electric spark machining oils were presented, especially HS high-speed synthetic electric spark machining oils.

对电火花加工油性能、质量变化进行了介绍，尤其HS高速合成电火花加工油。

3·Using investment casting technology and the colophony prototype of the glass an electric spark machining electrode was made for machining glass mould.

利用熔模铸造技术和树脂原型来制作模具电火花加工的电极。

4·Machining the spark plug hole and counter bore at a compound Angle.

加工火花塞孔与反孔的复合角度。

5·Now pulsewidth modulating technology is widely used in pulse power needed by electric spark fine machining.

当今脉宽调制技术在电火花微细加工所使用的脉冲电源中得到广泛应用。

6·The company also provides various model spark erosion machine from EDM250-EDM650, unique electric impulse to keep lasting high machining efficiency;

本公司可提供各种型号的电火花成型机床，EDM250-EDM650系列产品，独创电脉衡加工效率快；

7·Taking the rocker arm of trailer concrete pump as a typical example, application of nc electric-spark line-cutting to female spline machining is described.

以混凝土拖泵中的典型零件——摇臂为例，介绍数控电火花线切割在内花键孔加工中的应用。