... temper混捏（粘土）、回火、回火色、含碳量、（冷轧后）硬度、（镀锡薄板的）调质度、平整 temper ageing回火时效 temper and DCR mill平整及二次冷轧轧机 ...
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也被称为回火时效。
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.
龙门刨床身等关键件的回火、震动时效、超音频淬火等热处理工艺，使机床精度更稳定，使用寿命更长。
Heat treatment technics such as tempering, vibration aging, induction quenching and so on adopted on key parts like bed enable more stable accuracy and longer working life.
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