本发明能够有效的控制轧制环件的几何精度，降低轧制环件废次品率。
The invention is capable of effectively controlling geometric precision of rolling ring and reducing defective rate of the rolling ring.
本发明能够有效的控制轧制环件的几何精度，降低轧制环件废次品率。
The invention is capable of effectively controlling geometric precision of rolling ring and reducing defective rate of the rolling ring.
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