The feasibility of cast iron water-cooling welding was investigated.
对不同大小铸件的水冷和空冷焊接进行了试验；
Water cooling to the basic and key welding electrodes.
将作为焊接键部位的对焊电极进行水冷却处理。
Using the heat of welding to vapour water, cooling rates are lowered on the weld bead and heat -affected zone.
利用焊接时的加热使水汽化，不仅使焊道而且使热影响区的冷却速度减慢。
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