The general occurrence and distribution of internal surface hollow and hole defect of hot continuous rolled seamless tube are introduced.
介绍了热连轧无缝钢管内表面凹坑、孔洞缺陷的基本形式和分布规律。
The general occurrence and distribution of internal surface hollow and hole defect of hot continuous rolled seamless tube are introduced.
介绍了热连轧无缝钢管内表面凹坑、孔洞缺陷的基本形式和分布规律。
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