residual cost residual value
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The measurement of residual stress of electron beam welding need to expend great cost, so it is important to numerically simulate the value and distribution of welding residual stresses.
电子束焊接残余应力的实测需要花费大量成本，因此采用数值模拟其焊接残余应力的大小和分布具有重要意义。
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