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1·Two new methods for porous silicon preparation i. e. spark erosion and laser irradiation erosion are reviewed in this paper.

介绍了两种制备多孔硅的方法：电火花刻蚀法和激光辐射腐蚀法。

2·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；

3·The article discusses the means and method of numerical control programming under the background that spark erosion wire cutting is applied extensively.

探讨在电火花线切割得到广泛应用的背景下，电火花线切割数控编程的手段和方法。

4·The electrode erosion of gas spark switch caused by high current, high energy arc influences the feature and lifetime of the switch.

气体火花开关在大电流工作情形下，会因为开关电极受到高能量、大电流电弧的烧蚀作用而影响其工作性能和寿命。

5·The high current which flows in the closing gas spark switch results in the electrode erosion that influences largely the switch performance especially for the lifetime.

结合旋转电弧开关和环形轨道开关特点，设计了一种旋转电弧、场畸变气体火花开关，有效地减少了气体火花开关电极烧蚀，提高了气体火花开关寿命。