... high-grade fine steel高级优质钢 high-grade fine carbon steel高级优质碳素钢 high-manganese steel高锰钢 ...
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The results show that adding medium carbon nucleating agents into high carbon steel grade can effectively enlarge equiaxed grain zone and fine grain size;
研究结果表明，向钢液中加入形核剂可有效地扩大等轴晶区。
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