摘要：对980钢进行激光相变硬化研究，分别对其空冷和水冷时淬火硬化层的宽度和深度进行测量，对其组织和硬化层硬度进行分析。
Abstract: The research of laser transformation hardening on steel 980 has been done in this paper. The width, depth and microhardness of quench zone was measured.
并有软水冷却系统，液压立式淬火机床与之配套。
And have soft water cooling system, the upright hydraulic pressure quenching machine tool assort that.
并有软水冷却系统，液压立式淬火机床与之配套。
And have soft water cooling system, the upright hydraulic pressure quenching machine tool assort that.
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