Perforation effect is seriously affected by the clearance between perforator and casing.

射孔枪与套管之间的间隙过大会影响射孔效果,太小容易出现工程事故.

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Objective To study the influence of the pedicle perforator flaps in hemodynamics.

目的研究主干蒂与穿支蒂穿支皮瓣血流动力学的差异.

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Wood - base panels . Determination of formaldehyde content. Extraction method called the perforator method.

木质 人造板. 甲醛含量的测定. 称为“穿孔法“的提取法.

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Perforator: Key board which produces prunched paper tape.

打孔机: 把纸带打孔的键盘.

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This paper describes a non - excavating construction machine - hydraulic perforator.

本文介绍了一种新型 非 开挖施工机械 ——— 液动穿孔机.

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Objective To introduce the new progress of perforator flaps as an new reconstruction technique.

目的了解皮瓣修复的新进展之一,即穿支皮瓣修复技术.

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Developed is a HSD 89 perforator integrating high shot density and deep penetration together.

研制了集高穿深和高孔密于一体的HSD89型射孔器.

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Objective : To introduce the anatomical study and clinical experience of lateral retromalleolar perforator flap.

目的: 介绍外踝后穿支皮瓣的血管解剖基础与初步临床应用经验.

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