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通过试验确定了摇臂宽带扫描激光热处理的工艺规范，对处理后的摇臂淬火组织进行了金相及硬度分析，并通过了行车试验。
Through the experiment, the technical specification of rocker broadband scanning laser heat treatment was confirmed. The metallographic and hardness analysis of the processed rocker arm quenched microstructure was carried out and the driving test was passed.