Some machines coming with air cooling or water cooling system can be operated for longtime.
部分机型备有冷风或水冷系统方便长时间运作。
Accessory Configuration: Water cooling or air cooling argon arc welding gun, argon pressure reduction flow meter.
附件配置：水冷或气冷氩弧焊枪，氩气减压流量计。
Accessory Configuration: Water cooling or air cooling argon arc welding gun, argon pressure reduction flow meter.
附件配置：水冷或气冷氩弧焊枪，氩气减压流量计。
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