The speedup of -O5 over -O3 is 7.33x at n=2000.

O5 在 –O3 的基础上加速的程度是 7.33x 。

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Four respects including roll selection, grinder situation, technique and inspection are controlled to ensure to grind roll accord with the rolling demand on O5 plate.

从轧辊挑选、磨床状态、工艺方法、检查等四个方面进行控制，确保了磨出符合O5板轧制要求的轧辊。

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