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1·The mega perforator can be used in an open hole to reduce formation damage.

大射孔器可在裸眼井中使用，以减小地层损害。

2·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。

3·In this paper, tho design principles, structures and applications of the perforator.

本文简要介绍它的设计原理和结构及工程应用。

4·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。

5·Based on perforator region, we had got digital perforator flaps by segmentation of images.

根据穿支血管支配区域，对图像进行多次分割，构建数字化穿支皮瓣。

6·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。

7·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。

8·Several cases about perforator designs are given to show the applications of the numerical simulation technology.

仅以射孔器设计中的几个案例说明数值模拟技术的应用状况。

9·Deep venous reconstruction should be considered when superficial venous or perforator venous reflux are operated upon.

在行浅静脉及交通支静脉手术的同时行深静脉重建术是非常必要的。

10·This study can also indicate that the ligation of the branches in the recipient vessels cannot make the perforator flaps overperfused.

②血管主干至其他组织的或受区血管的分支结扎不能对皮瓣起到超灌注的作用。