The research status of welding of magnesium alloys by fusion welding and solid - phase joining at home and abroad is summarized.
综述了近年来国内外镁合金在熔焊连接和固相连接两方面的研究现状与进展。
The optimum median current and median time were found by experiment when welding steel using waveform with middle median phase.
采用中中值波形控制方法对钢进行焊接试验，确定了最佳的中值电流和中值时间。
Transformers: it is used by water-cooled welding transformer with single-phase 200kva vacuum epoxy encapsulation. It accounts for more than 50% load.
变压器：采用单相200kva真空环氧封装水冷式焊接变压器，占载率50%以上。
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