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The guide rail is the 45 # steel, the quenching and tempering, the correct grinding.
导轨为45 # 钢 、 调质, 精磨.
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Immediate quenching and tempering process of steel T 10 after low temperature salt bath chromizing was studied.
研究了T10钢在低温盐浴渗铬后直接淬火并回火工艺.
调质???又称 :调质(Vergüten(德))???
调质???钢件淬火及高温回火的复合热处理工艺。???
调质???注：即“淬火与回火”???
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