对电火花表面强化的火花放电原理提出了一定的看法。

Therein, a certain view point is proposed in the paper, about the spark discharging principle on electrosparking surface to be strengthened.

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介绍了电火花表面强化的原理与特点，概述了电火花表面强化技术的研究现状，指出了电火花表面强化技术的发展趋势。

The theory and characteristics of the process of electrospark surface strengthening are introduced. The researching status and the development trend in this field are described.

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前言：介绍三种常用表面强化技术即电火花沉积、电刷镀和热喷涂的原理和特性。

Describes the principles and characteristic of several surface field repair technology: electro-spark deposition, thermal sprays, brush plating.

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