在汽车变速箱生产中，锻件的正火质量，直接影响着零件后续机加工及最终成品率；
In automobile gearbox production, the normalizing quality of forgings directly affect the machining of part and the quality of finished product.
在汽车变速箱生产中，锻件的正火质量，直接影响着零件后续机加工及最终成品率；
In automobile gearbox production, the normalizing quality of forgings directly affect the machining of part and the quality of finished product.
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