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| 火焰热处理; 火焰表面热处理 (【技】通过喷嘴将火焰喷射到工件表面上，将其迅速加热到高温，然后再以不同的冷却速度冷却的热处理工艺。一般多用于工件的表面淬火。火焰表面热处理的火焰温度高，故加热速度快，较为经济。同时它还具有设备简单、灵活性较大、可对大型工件实行表面淬火等优点。) | |||
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