... 细晶粒钢 finegrainedsteel 细晶粒铸件 close grained casting 细晶粒铸铁 close grained cast iron ...
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Advantages: it can destroy the ingot casting, steel grain refinement, and eliminating the defect in microstructure, thus making steel tissue close-grained, with improved mechanical properties.
优点：可以破坏钢锭的铸造组织，细化钢材的晶粒，并消除显微组织的缺陷，从而使钢材组织密实，力学性能得到改善。
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