submerged slag pool welding
... stitch welding叠焊(法); 跳焊; 针脚点焊(法) submerged slag pool welding埋弧电渣焊接 symmetry welding对称焊接 ...
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高压锅炉锅筒纵缝焊接时，采用的焊接设备为电渣焊。在不具备电渣焊的情况下用改进的埋弧自动焊成功的替代了电渣焊。
The welding of high pressure boiler longitudinal weld shall be electric slag welding which may be replaced by improved auto-submerged arc welding when have no electric slag welding.
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