A new topic was raised for research on effect ofinterference sources such as welding arc.

提出了研究如电焊弧光之类干扰源的影响及防护的问题.

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The work in this paper supplied basis for the study on welding arc and weld pool.

这就为下一步研究电弧和熔池的工作提供了基础.

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Computational results of welding arc and pool were close to those of the experiments.

结果表明:用数学模型模拟出的电弧行为特征以及熔池形状与试验结果相吻合.

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