电子束焊接具有显著的小孔效应，这一特点决定着电子束焊接过程和普通熔化焊不同，并对其焊接应力和变形产生重要影响。
Electron beam welding has significant keyhole effect, it induces the electron beam welding different from general melting, and also important influence on its welding stresses and distortion.
钢制容器人孔的焊接应力及塌陷变形，直接影响容器的焊接质量和使用寿命。
The notch welding stress and the collapse-deformation of steel container directly affects the welding quality and service life of the container.
钢制容器人孔的焊接应力及塌陷变形，直接影响容器的焊接质量和使用寿命。
Welding stress and concaving deformation of man-hole of steel vessel influence directly welding quality and life of using.
低合金高强钢特厚板的焊接，由于焊接应力的影响，在控制缺陷和变形方面都比较困难。
For welding the extra thick plate of low alloy high strength steel, due to the influence of welding stress, it relatively difficulty for controlling the defect and deformation.
从如何控制焊接应力和焊接变形的角度出发，对斗底的焊接工艺进行研究和探讨。
From the aspects of how to control weld stress and weld deformation, welding process of bucket bottom is studied and discussed.
从如何控制焊接应力和焊接变形的角度出发，对斗底的焊接工艺进行研究和探讨。
From the aspects of how to control weld stress and weld deformation, welding process of bucket bottom is studied and discussed.
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