perforating

An installation for the simulated test of perforating shaped charge with after effect was described.

文章介绍了一种增效射孔弹模拟靶试验装置.

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Compound technique of perforating can effectively control the perforating direction and the fracturing expansion.

复合射孔技术能有效地控制射孔方向和压裂缝的扩展.

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Objective To evaluate the diagnostic methods and treatment of gastric ulcer perforating with toxics tubular necrosis.

目的探讨胃溃疡穿孔合并中毒性肾小管坏死的诊断方法与治疗方案.

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The vital importance of the early recognition of perforating appendix is unmistakable.

能够早期辨明阑尾正在穿孔是极端重要的.

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The utility model relates to a perforating bullet case blank precision cold-extrusion die.

一种射孔弹弹壳毛坯精密冷挤压模具.

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Drilling: Perforating a pile of sheets with holes for special binding methods, such as loose-leaf .

钻孔: 在一堆纸一打孔,以作特别装订, 如 活页 装等.

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As a main part of perforating charge, liner greatly effects the charge's performance.

药型罩作为石油射孔弹的关键部件, 其参数变化从很大程度上影响着射孔弹的射孔性能.

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Before the perforating, friendly operation system is easy for operator, change-over exchange only manual adjustments.

在冲孔生产之前, 简易的作业系统普通的操作人员也能轻而易举的变换工作尺寸.

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Two kind of separated perforating and pulse fracturing composite charges are studied.

论述了低渗油气层的地质特征;研究了两种分离式射孔脉冲压裂复合弹.

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This perforating fluid system is solid-free, high temperature resistant, stable, compatible, and not polluting.

该射孔液体系具有无固相 、 抗高温、密度可调 、 稳定性强 、 配伍性好 、 对环境无污染等优点.

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Compared the VRT of perforating incompetence with that of competence ( P < 0.01 ).

交通支异常者VRT与正常人比较有高度显著性差异 ( P<0.01 ).

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This article briefly describes a new perforating technique that will result in clean , open perforations.

本文简要地介绍了一种对产层不会造成伤害的新型射孔技术.

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Objective To evaluate the correlative factors of blindness among patients with perforating corneal injury.

目的分析影响角膜穿孔伤致盲的有关因素.

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Gives the testing results of perforating aftereffect.

给出了增效射孔作业技术的试验结果.

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In this article, some of the case histories that have used perforating technique are also presented.

文中还介绍了正压射孔技术近几年的应用实例及效果.

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