激光相变硬化激光淬火
Laser phase transformation hardening and laser quenching
以上为机器翻译结果，长、整句建议使用 人工翻译 。
最后，采用新模型估算出激光淬火处理HT250材料硬化带深度的理论值，理论估算结果与试验结果吻合较好，且比简易激光相变硬化模型估算结果更接近于试验结果。
The new model has been used to evaluate the hardened depth of laser-quenched HT250, and the theoretical results are verified by the experiments and are more accurate than that of the old model.
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