认为无论脉宽大小均应采用正极性加工。
Positive polarity machining should be used whether the pulse width is big or small.
对使用石墨电极进行电火花加工钛合金tc4进行了研究，认为无论脉宽大小均应采用正极性加工。
In this paper, research is done on alloy TC4 machined by EDM using graphite electrode. Positive polarity machining should be used whether the pulse width is big or small.
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