... relaxation of power series ==> 幂级数的松弛 relaxation of residual stress ==> 残余应力消除 relaxation of selection ==> 选择放松 ...
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测试结果表明，大部分测点的残余应力均得到了较好的消除，但最后一道焊缝的一些测点焊接残余应力消除效果较差。
The results of measurement show that, the residual stress was eliminated well in near all of the measured points. and that it did not eliminate well in some points of the last welded joint.
目前，工厂中一般采用回火时效和振动时效法(VSR)对焊接构架中的残余应力进行消除。
At present, temper aging and vibration aging (VSR) are commonly applied to remove residual stress in welded frames in factories.
合理的热处理工艺消除了残余应力，提高了机加工精度。
The rational heat treatment diminishes the residue stress and improves the precision of machining.
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