扩孔，拼音kuò kǒng，汉语词语，将钻孔底部或某些类型的基础墩的底部加以扩大，以便增加其承受荷载的区域；减小空心毛坯壁厚而增加其内外径的锻造工序。
n. chambering ; bearizing
The results show that, after being treated by ac phosphoric pore broadening, the electrolytic coloring performance of the anodizing aluminium film varies obviously.
结果表明,铝阳极氧化膜经磷酸溶液交流扩孔后,氧化膜的电解着色性能发生了明显变化。
参考来源 - 铝及其合金新型表面处理工艺研究But in the analysis of broaching, the assumptions that it is plane strain, simulations of broaching are implemented.
在马杠扩孔的分析中,首先在假设其为平面应变的条件下,对扩孔过程进行定量的分析。
参考来源 - 大型板类锻件制造新工艺的力学分析与应用·2,447,543篇论文数据，部分数据来源于NoteExpress
这些可能是切片薄刨花，沉孔，扩孔，或其他操作。
These may be slicing off thin shavings, countersinking, counterboring, or other operations.
通过冲孔、扩孔、扩展、压扁、成型、模锻和机械技工操作生产定制管。
We provide custom tube fabrication utilizing piercing, flaring, expanding, flattening, forming, swaging and machining operations.
介绍了侧钻井扩孔施工工艺，探讨了用扩孔技术减少侧钻井油层损害的机理。
The paper introduces the reaming technology of lateral drilling, discusses the mechanism of reducing reservoir damage by using reaming technique.
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