当钢坯被轧制为线材时，钢坯表面的“凹坑”缺陷对线材的表面质量仍有一定的影响。
When it is rolled into wire rod, the pit defect can be seen, affecting the surface quality of wire rod.
石油管线在安装与油气输运过程以及其他工业事故中，难免会产生各种各样的损伤和缺陷，如出现表面凹坑、裂纹等。
While installation, transport and other industrial accidents of the petroleum pipeline, it is unavoidable to encounter various damage and defect, such as surface flaw, crack, etc.
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.
表面凹坑缺陷是水电站引水压力钢管中的一类常见缺陷。
Pits are common defects on surface of penstock of hydroelectric power stations.
研究表明，利用角向砂轮机对麻辊进行打磨并且利用高硬度小方坯来磨合麻辊辊齿，是一种消除低碳钢小方坯表面凹坑缺陷的有效方法。
The research indicates that grinding the dented roller with a portable angle grinder and making the roller run in with harder billet are effective to eliminate the pit d…
研究表明，利用角向砂轮机对麻辊进行打磨并且利用高硬度小方坯来磨合麻辊辊齿，是一种消除低碳钢小方坯表面凹坑缺陷的有效方法。
The research indicates that grinding the dented roller with a portable angle grinder and making the roller run in with harder billet are effective to eliminate the pit d…
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