碳素重轨钢
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heavy-rail carbon steel 碳素重轨钢
carbon heavy rail steel
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Via vacuum induction furnace and metallographical analysis, the effects of RE on the grain size of the austenite and distance of the pearlite laminae of high-carbon steel for heavy rail were studied.
通过真空感应炉模拟实验，结合金相分析，研究稀土对于高碳重轨钢奥氏体晶粒尺寸和珠光体片层间距等的影响作用。
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