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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.
无基材结构变形的影响，无变形及塌陷，焊接后强度减小和龟裂。
No substrate deformation and collapse, no strength reduction and cracks after welding.
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.
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