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The common electric welding machine can be divided into three types of DC, AC and pulse from the welding current, but the common use is AC and DC inverter welding machine. AC welding machine is a special transformer, but inverter DC welding machine to be more complicated, the control mode is now basically adopts frequency conversion type 1, aluminum casting defect repair machine 2, mold repair machine 3, the electric spark welding machine 4, hesd 5, cold welding repair machine

The common electric welding machine ... 2017-11-30 本文被阅读 1013 次
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