1. During two cooling methods, whether tension stress or compression stress, the retained austenite in steel reduced with stress increasing, had become from massive to streak or filminess.
   在两种冷却方式下，不论拉应力还是压应力的作用，均使组织中残余奥氏体数量减少，形貌由无应力时的块状变为条状或薄膜状。

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