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。
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。
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。
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。
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。
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。
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。
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。
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。
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。
Perforator flap was the new and reliable technique forreconstructionof tissue defect and may be one of the primary choices in the future.
穿支皮瓣是新的修复组织缺损的可靠技术，有可能成为缺损修复的首选皮瓣。
Various types of composite perforator have their respective effects on formation because they produce different pressure parameters in wellbore.
不同类型的复合射孔器，在井下产生的压力参数不同，对地层的作用效果也不同。
Objective to investigate the therapeutic effect of subfascial endoscopic perforator vein surgery (SEPS) in treatment of varicose of the lower limb.
目的观察腔镜深筋膜下交通静脉结扎(SEPS)在下肢静脉曲张治疗中的疗效。
PERFORATOR: Fourth stage of operation in the cage department. Simultaneously cuts out all pockets required in blank, maintaining proper top dimensions.
穿孔：在保持架部门的第四步工序。同时按要求在切出保持架兜孔，维持合适的尺寸。
If this is not the case, the middle and distal LAD artery are split at a distance halfway between the first septal perforator and the apex of the heart.
若无第二室间隔支，中、远段的分界为第一室间隔支与心尖的中点。
This paper introduces the criterion of selecting pump, detonation mode, principle and action of inner blind hole perforator and tubing pump joint technology.
介绍了内盲孔射孔器与管式泵联作技术的选泵标准、起爆方式、原理和流程以及内盲孔射孔器的研制。
Objective to explore the method of the distal perforator-based gluteus maximus muscle V-Y flap to treat the sacral ulcer and to simplify the operative procedures.
目的探讨应用臀大肌远侧穿支v - Y皮瓣修复骶部褥疮，简化手术操作。
Injection sclerotherapy, superficial vein ligation and stripping, deep vein valve reconstruction, perforator ligation, and skin grafting favor the healing of ulcers.
硬化剂注射、浅静脉手术、深静脉瓣膜重建手术、交通静脉结扎术及皮肤移植均有利于溃疡愈合。
The perforator is a three-way connecting piece, two openings of the perforator are upwards parallel, and one opening is downward and is made into an oblique opening.
其特征在于打孔器为三通联接件，其两口平行向上，一口向下并做成斜口；
Objective To study the clinical application of medial supramalleolar perforator-based flap of posterior tibial artery in repairing foot and ankle soft tissue coloboma.
目的探讨胫后动脉内踝上穿支筋膜蒂皮瓣在足踝部软组织缺损修复中的应用价值。
Septocutaneous perforator: in 4 saphena arteria flaps and 6 internal low leg flaps, the colour signals of the axial artery were founded through the intermuscular septum.
肌间隙皮血管型：隐动脉皮瓣4例，小腿内侧中下部皮瓣6例，声像图显示轴心动脉走行于回声不同的肌块间。
The engineering applications showed that this perforator has many advantages, for examples, simple in structure and operation, applicable for various kinds of soil stratum.
工程应用实例表明，这种穿孔器具有结构简单，效率高，操作简便，适用于各种类型的土层等优点。
Described are the negative pressure multistage detonating technique in TCP (Tubing Conveyed Perforator) and its advantages, features and applications in geology and engineering.
详细介绍了传输射孔负压多级起爆(TCP)技术在地质、工程方面的优势，介绍了该项技术的主要特点及应用实例。
Formaldehyde emission content of particleboard and MDF are tested with perforator method and ACM. Results show that there is a methematical relationship between two testing methods.
分别用穿孔法和空气循环法测试了刨花板和中密度纤维板的甲醛散发量，发现二者之间有线性关系。
The lower ends of the water filling pipe and the seed discharging pipe are fixed in the two parallel holes of the perforator, and the upper parts are connected by connecting sheets.
注水管和下籽管的下端固定在打孔器的两平行孔内，上部由联接片相联；
There is a cutter and a perforator on the fill roll. The position of the cutter can be adjusted according to the sheet size. The perforator provides the foundation for sheet cutting.
在放膜卷上装有分切刀和针孔刀，操作者可根据纸张大小方便地调节分切刀的位置，针孔刀的使用为下道裁切打下了基础。
By use of oriented perforator, a certain variance of Angle and azimuth between actual perforated hole and former design is made which mainly caused by hole trace, perforated hole Angle.
采用定向射孔，使得实际射孔孔眼与原来设计的具有一定角度和方位的偏差，主要有孔眼轨道产生的偏差、孔眼角度产生的偏差等。
Objective: to summarize the operating approaches and therapeutic effect of free grafting with deep inferior epigastric perforator flap (DIEP) in repairing the soft tissue defect of limbs.
前言：目的：探讨腹壁下动脉穿支皮瓣游离移植修复足部皮肤缺损的手术方法与疗效。
Objective: to summarize the operating approaches and therapeutic effect of free grafting with deep inferior epigastric perforator flap (DIEP) in repairing the soft tissue defect of limbs.
前言：目的：探讨腹壁下动脉穿支皮瓣游离移植修复足部皮肤缺损的手术方法与疗效。
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