钢轨打磨可以有效解决钢轨的疲劳伤损。
The rail grinding can solve the fatigue damage of the rail effectively.
因此，研究钢轨打磨形面就有很强的实际应用价值。
Therefore, the study of rail grinding profile will have a strong practical value.
因此，研究钢轨打磨形面就有很强的实际应用价值。
Therefore, the study of rail grinding profile will have a strong practical value.
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