Conclusion Mending the perforation of nasal septum by shifting the mucoperiosteal flap and perpendicular plate of the ethmoid bone under nasal endoscope is an effective method.
结论鼻内镜下双侧黏软骨(骨)膜瓣移位加筛骨垂直板是治疗鼻中隔穿孔的理想方法。
With the analysis of punching technology of locating plate, punching hole-mending hole-blanking continuous punching technology can improve part quality and production efficiency greatly.
对定位板零件的冲压工艺进行了分析，改用冲孔—整孔—落料连续冲压工艺，可明显提高工件质量及生产率。
With the analysis of punching technology of locating plate, punching hole-mending hole-blanking continuous punching technology can improve part quality and production efficiency greatly.
对定位板零件的冲压工艺进行了分析，改用冲孔—整孔—落料连续冲压工艺，可明显提高工件质量及生产率。
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