用电弧作为热源的热切割。与气割相比，电弧切割质量较差，但因电弧温度较高，能量较集中，能切割的材料种类比气割广泛。
... approach cutting 进洞引道挖方,引桥挖方 arc cutting 电弧切割 back cutting 回挖,必需的超挖部分 ...
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... Electric-arc cutting 电弧切割 electric-arc furnace 有点像炼钢用的电弧炉 electric-arc lamp 弧光灯 ...
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氧气电弧切割 oxy-arc cutting ; OACoxygen arc cutting ; OAC ; oxygen arc cutting
空气电弧切割 air arc cutting
电弧切割机 arc cutting machine ; arc cutter ; electricarccuttingmachine
吹气碳电弧切割机 air carbon arc cutting machine
钨极气体保护电弧切割 gas tungsten arc cutting ; GTAC
电弧切割法 arc cutting
金属电弧切割 [机] metal arc cutting
吹气碳电弧切割 [冶] air carbon arc cutting
氧气电弧切割电极 oxy arc cutting electrode
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当电流一定时，电压的提高意味着电弧焓值的提高和切割能力的提高。
When the current, voltage must be improved means that the improvement of arc enthalpy and cutting capability is improved.
由于氢气能显著提高电弧电压，使氢等离子射流有很高的焓值，当与氩气混合使用时，其等离子射流的切割能力大大提高。
Because the hydrogen can significantly improve the arc voltage, make hydrogen plasma jet has high enthalpy, when mixed with argon plasma jet, the use of cutting ability is greatly increased.
电弧电压：一般认为电源正常输出电压即为切割电压。
Four, arc voltage: generally believe that the power supply is normal output voltage for cutting voltage.
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