实验发现弧根和弧梢处的气体温度相等，并随着气体流量的增大而下降。
It was found that the gas temperatures at arc root and arc tip are equal and they decrease with the argon flow rate increasing.
实验发现弧根和弧梢处的气体温度相等，并随着气体流量的增大而下降。
It was found that the gas temperatures at arc root and arc tip are equal and they decrease with the argon flow rate increasing.
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