This passage analyzes the law of the effects which welding process factors have on weld shaping.
焊接工艺因素的改变会引起焊缝尺寸和形状的变化，进而影响焊接质量。
Welding process factors consist of welding electric current, electric arc voltage, welding speed, etc.
焊接工艺因素包括焊接电流、电弧电压、焊接速度等。
The changing of welding process factors would result in the change of weld size and shape, and have effects on welding quality.
焊接工艺因素的改变会引起焊缝尺寸和形状的变化，进而影响焊接质量。
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