由于等温淬火后的残余奥氏体温度较多而且稳定，故应进行四次回火。
Because the temperature of retained austenite is more and more stable after the isothermal quenching, it should be carried out four times.
由于等温淬火后的残余奥氏体温度较多而且稳定，故应进行四次回火。
Because the temperature of retained austenite is more and more stable after the isothermal quenching, it should be carried out four times.
应用推荐