argon shielded arc welding-pulsed arc
... 脉冲稳弧器：pulsed arc tabilizer 脉冲氢弧焊：pulsed argon arc welding 脉冲激弧器：pulsed arc exciter ...
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钨极脉冲氢弧焊 argon tungsten pulsed arc welding
熔化极脉冲氢弧焊 argon metal pulsed arc welding
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