将熔化极气体保护焊（GMAW）的热输入处理为三维移动串热源，建立了串热源模型，模拟了JG590低合金钢的GMAW焊接热过程。
The GMAW welding thermal process for low alloy steel JG590 was analyzed based on the established heat source model.
同时用平板试验的方法验证了串状热源处理手工摆动焊的正确性。
Moreover, the rationality of the cluster heat source was proved by the flat experiment.
同时用平板试验的方法验证了串状热源处理手工摆动焊的正确性。
Moreover, the rationality of the cluster heat source was proved by the flat experiment.
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