搜索 - 科创

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[paragraph]电火花穿孔机也称电火花打孔机、电火花小孔机、电火花细孔放电机，其工作原理是利用连续上下垂直运动动的细金属铜管（称为电极丝）作电极，对工件进行脉冲火花放电蚀除金属成型。

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