为考察顶吹氩、侧吹氩及底吹氩的冶金效果，分别进行了三种吹氩工艺的对比试验。
Comparative experiments were conducted to investigate the metallurgical, effects of top, bottom side and bottom argon blowing techniques.
激光深熔焊中侧吹保护气体方法用于降低等离子体中的电子密度抑制等离子体，TIG中活性焊剂也有吸收电子的作用。
The method of blow, side protecting gas in laser deep welding is used to reduce the electronic density of plasma, also, the active flux in TIG can absorb electron.
以动量守恒原理为基础，建立了侧吹射流轴轨迹的数学模型。
A mathematical model for the trajectory of the jet axis was proposed on the principle of momentum conservation.
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