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。
When the surface hole recombination velocity and defect density is bigger, the length of nanowire should not be too long.
当表面复合速率和体缺陷密度较大时，纳米柱的长度不宜过大。
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