接头延伸率的改善同热影响区冷变形程度的减弱及焊缝强度、应力水平同母材趋于一致有很大关系。
Improvement of elongation of joint is related to weaker cool deformation degree of heat affect zone (HAZ) and uniformity of strength and stress level between weld and base metal.
针对管焊缝，研究了其水平视角传感方法。
为了提高CO_2气体保护焊的自动化水平，本文研制了用于CO_2气体保护焊的电弧传感焊缝跟踪系统。
In order to improve the level of automatic welding in CO_2 shielded welding, the tracking system of welding seam based on arc sensor for CO_2 shielded welding is developed in this paper.
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