喷水冷却对400MPa级超细晶粒钢焊接接头组织和性能的影响
분수냉각대400MPa급초세정립강한접접두조직화성능적영향
Effect of Spraying Water on the Microstructure and Mechanical Properties of 400MPa Grade Ultrafine Grained Steel in Welded Joints
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