Individual tension release cracks partially course along the perforation bores.
个别张力释放裂纹会沿孔眼局部扩展。
Calculation principle for penetration and perforation of projectiles into rock.
弹体在岩石中侵彻与贯穿计算原理
Treatment of colonic perforation related to colonoscopy is still controversial.
如何治疗大肠镜造成的大肠穿孔仍有一些争议。
Repairing the perforation of nasal septum with Tragus Cartilage under microscope
显微镜下用耳屏软骨修补鼻中隔中穿孔
Clinical observation of perforation of ear drum repaired with membrane of garlic
大蒜膜贴补法修补鼓膜穿孔临床观察
Comparative studies of perforation plate structures of vessels in Ranunculaceae.
毛莨科植物导管穿孔板结构得比较观察。
Ischemic Changes and Perforation of Gastro Intestinal Tract Following Blunt Trauma
钝性伤致胃肠道穿孔和缺血性改变
A Comparative Study on Several Materials for the Repair of Root Furcal Perforation
几种根分叉穿孔修补材料的比较研究
Effects of perforation and fertilization on the turf quality of Kentucky bluegrass.
打孔和施肥处理对草地早熟禾草坪质量的影响
Acute gastric ulcer perforation in a35 weeks nulliparous patient with gastric banding
曾行胃捆扎减容术的孕35周初产妇发生急性胃溃疡穿孔
Clinical analysis of elderly patients with acute perforation of stomach and duodenum.
老年胃十二指肠急性穿孔临床分析
Objective To evaluate clinic effect on CHI paste repairing perforation of pulp floor.
目的观察氢氧化钙碘仿糊剂修复髓室底穿孔的临床疗效。
Objective To explore the clinical features of acute retroperitoneal colon perforation.
目的探讨结肠腹膜后急性穿孔的临床特点。
Interventional appeasing therapy of esophagus malignancy perforation pathologicalchange
食管恶性穿孔性病变的介入姑息性治疗
Therefore, the effect of perforation should be considered in the design of casing string.
因此, 在套管柱设计时应该考虑射孔的影响。
Postoperative examination did not reveal gastric or colonic perforation, or local abscess.
剖腹检查未发现胃结肠穿孔，无局部脓肿形成。
Analysis on Using Limit Perforation to Improve Combined Pressure Effect in Chuanxi Gas Field
利用限流射孔提高川西气田合压效果工艺技术分析
Clinical analysis of20 cases of neonatal necrotizing enterocolitis complicated by perforation
新生儿坏死性小肠结肠炎并发肠穿孔20例临床分析
Observation and Study on the Vessel Element and Perforation Plate of Secondary Xylem in Avocado
鳄梨导管分子及穿孔板观察研究
Experimental study of effusion in repairing furcation perforation with calcium phosphate cement
磷酸钙骨水泥修复髓室底穿孔渗漏的实验研究
The relationships among perforation diameter, density, phase and casing strength are clarified.
明确了射孔直径，度及相位等与套管强度的关系。
Hybrid method to predict damage effects of reflector antenna with a hole perforation on its feed
预测反射面天线馈源毁伤效应的混合算法
According to the feature of the gas permeability, the perforation completion model was bettered.
针对气体渗流的特征对射孔完井模型进行了改造。
There were two types of vessel perforation plates, simple perforation one and scalariform plant.
一端是梯状穿孔板，另一端为孔纹增厚的导管。
Objective To investingate the treatment of aeute appendicitis complicated perforation in children.
目的探讨小儿急性阑尾炎并穿孔临床治疗方法。
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