At present, temper aging and vibration aging (VSR) are commonly applied to remove residual stress in welded frames in factories.
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。
The American Lung Association says the latest findings show the urgent need to clean up aging power factories.
美国肺脏协会声称这次研究结果表明需要立刻清理老化的电力工厂。
The American Lung Association says the latest findings show the urgent need to clean up aging power factories.
美国肺脏协会声称这次研究结果表明需要立刻清理老化的电力工厂。
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