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因为有事,我到工厂找当车工的朋友,看到厂区空地上有一堆堆锻造好的工件,这些工件看起来已经堆放好久了,因为它的周围长满了杂草。这些锻造好的工件为何不加工,放在那里任凭风吹日晒?我向朋友请教。朋友告诉我:这是为了消除锻件的内应力。
Because of something, I went to the factory to find a friend who was a laver and saw piles of forged workpieces on the open area of the factory. These artifacts appeared to have been piled up for a long time, because it was covered with weeds. Why are these forged workpieces not processed and placed there to let the sun shine? I consult friends. My friend told me: This is to eliminate the internal stress of the forgings.