轧制轨梁等钢材用的大异形坯的英文

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• 轧制:    roll down; roll; r ...
• 轨梁:    beam-and-rail; tra ...
• 等:    class; grade; rank
• 钢材:    steel products; st ...
• 用:    40分钟跑完全程 run the c ...
• 的:    4次方是 The fourth po ...
• 大:    big; large
• 异形:    dysmorphism; heter ...
• 坯:    base