求翻译：电火花加工在机械模具等方面仍有其不可替代的作用与地位,本文从电火花加工的原理，电火花加工的表面质量，电火花加工的主要特点，电火花加工的应用，电火花加工机床及最新技术进行了介绍。是什么意思？

EDM tooling and other aspects of the machinery still has its irreplaceable role and status of this principle from the EDM, EDM surface quality, the main features of EDM, EDM applications, EDM and the latest technology are introduced.

electrodischarge machining (EDM) in the machinery mold still has its irreplaceable role and status in this article, electrodischarge machining (EDM) principles, electrodischarge machining (EDM) of the surface quality, electrodischarge machining (EDM) The main character, electrodischarge machining (E

The electric spark machining in aspects and so on mechanical mold still had the function and the status which it could not be substituted, this article from the electric spark machining principle, the electric spark machining surface quality, the electric spark machining main characteristic, the ele

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EDM tooling and other aspects of the machinery still has its irreplaceable role and status of this principle from the EDM, EDM surface quality, the main features of EDM, EDM applications, EDM and the latest technology are introduced.