电流电压边续可调，调节范围宽，负载持续率高，可连续焊接。
Contimuously adjustable current and voltage, wide adjustment range, high duty cycle, continuous welding.
此玉牒宗室记载了代善家族的分支衍续。玉牒装帧讲究，云龙图黄绫面，长45.5厘米，宽29.5厘米。
This "Jade" genealogy of the Daishan clan, 45.5 cm long and 29.5 cm wide, is finely bound and covered with yellow silk bearing patterns of clouds and dragons.
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