二次调质后，堆芯段筒体锻件产生了椭圆变形，为了不影响锻件已有性能，采用冷校形加去应力回火方法进行校正。
In order to keep the property of forging pieces which they already have, calibrating in the way of cold correcting the shape with stress release and tempering could get a better result.
计算结果表明，再沸器塔段筒体和接管经腐蚀后仍具有足够的强度、刚度和稳定性。
The result of the analysis indicated that the cylinder and the nozzle still had the enough strength, stiffness and stability even the corrosion had occurred.
某化工厂一台进口换热器，由于制造偏差，在封头直边段与筒体相接处产生错边。
On an imported heat exchanger in some chemical plant, an offset caused by fabricating deviation is presented on the joint between shell and straight part of head. By means of finit element method.
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