For multilayer welding on steels, pulsed arc welding is recommended.
在多层钢加层焊时建议使用脉冲电弧焊。
For multilayer welding on steel, pulsed arc welding is recommended-also appropriate for oven soldering.
建议在钢材多层焊时使用脉冲电弧焊，也适合于炉焊。
In the multilayer welding process, the method of symmetry welding gets the minimum residual tensile stress.
在多层焊的过程中，采用对称施焊的方法得到的焊接残余拉应力峰值是最小的。
Particularly suitable for repair welding of bronze statues. For multilayer welding on steels, pulsed arc welding is recommended. For large work pieces preheating is recommended.
特别适合铜雕像修复的焊接，建议在钢材多层焊时使用脉冲电弧焊，用于大焊件时建议预热。
Particularly suitable for repair welding of bronze statues. For multilayer welding on steels, pulsed arc welding is recommended. For large work pieces preheating is recommended.
特别适合铜雕像修复的焊接，建议在钢材多层焊时使用脉冲电弧焊，用于大焊件时建议预热。
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