In contrast with general welding method of single arc, the forms of Plasma-MIG welding arc are more complicated.
与一般的单电弧焊接方法相比，等离子mig焊的电弧形态要复杂的多。
It's suitable for welding single part or products of small amount, short and irregular welds under varied construction position and other welds which are difficult to apply machine welding.
适用于焊接单件或小批量产品，短的和不规则的、各种空间位置的以及其他不易实现机械化焊接的焊缝。
Half-circle model and full-circle model, fixed heat source and moving heat source, single pass and multi-pass welding are used for comparison.
比较了半周模型和全周模型，固定热源和移动热源，单道焊和多道焊下的分析结果。
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