Causes responsible for bore polygonning of steel tube which appears as a defect during sizing and reducing are analyzed and common-used control methods therefor described.
简介了钢管定减径时内多边形缺陷产生的原因及其一般的控制方法。
Causes responsible for bore polygonning of steel tube which appears as a defect during sizing and reducing are analyzed and common-used control methods therefor described.
简介了钢管定减径时内多边形缺陷产生的原因及其一般的控制方法。
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