你能否用一根直径为3mm的不锈钢棒，在旁边钻出一个直径为2 mm、深度为3cm的孔？
Can you take a stainless cane with 3 mm in diameter and drill a hole of 2 mm alongside the cane at the depth of 3 cm?
结果：新型根管充填材料能够严密地封闭根尖孔，与根管壁间的密合性优于常用根管充填材料。
Result: The novel root canal material can seal apical densely and has better degree of obturation than normal materials.
当穿刺针安全插到位后，在神经根离开椎间孔的部位，即两个椎体相连接处侧面的开口处进行二次注射。 。
Once the needle is safely positioned, there is a second injection into the nerve root where it exits the foramen, a side opening where two vertebrae meet.
盛钢桶底有个叫作水口的孔，由一根直立的耐火材料做的塞棒堵住。
There is an opening in the bottom of the ladle called nozzle which is sealed with a vertical refractory stopper.
方法：采用染料渗漏法和扫描电镜观察新型聚氨酯液体根充材料与根管壁之间的密合度及其对根尖孔的封闭能力。
Methods: To observe the gaps between material and the walls of canals by scanning electron microscope, the apical sealing ability of material by dye penetration method.
另外12个椎体做空心侧孔椎弓根螺钉的周期抗屈试验。
Periodical bending resistance test in screws with hollow lateral holes in pedicle of vertebral arch was made on the rest 12 vertebrae.
论述了转子叉形齿叶根销孔加工用钻模的设计方法及制造时关键要点。
This paper gives the design method and key point during machining of pin holes on rotor for the fork-type blade root.
目的：本研究旨在定量分析微创经椎间孔腰椎椎体间融合的患者术后神经根炎的发生情况。
Objective. The purpose of our study is to quantify the development of a postoperative radiculitis in our minimally invasive transforaminal lumbar interbody fusion patient population.
目的：对外伤引起的年轻恒前牙冠折露髓行活髓切断术，并于2年以上追踪观察其根管、根尖孔发育情况。
Objective:To treatment the young permanent incisors with exposed pulps in crown by pulpotomy and observe the growth of root canals and apexogenesis following up over 2 years.
目的：比较不同根管充填方法对根尖孔的封闭能力。
Objective:To compare the apical sealing ability of different root canal filling means.
当脊柱的骨头、椎间盘和关节发生退变，会形成骨刺并挤入椎管或椎间孔，这被称为椎管狭窄，也会对神经根造成有害的压迫。
When bones, discs or joints of the spine degenerate, bony spurs may form and push into the spinal canal or foramen space.
目的研究两种临床常用的根管预备器械不锈钢锉和镍钛锉预备根管对充填后根管根尖孔封闭性的影响。
Objective To evaluate the apical sealing ability of obturated root canals prepared hand ProTaper with stainless steel K files in simulated resin root canals.
肿瘤可通过骶孔生长而引起骶神经根压迫症状。
They can extend through the sacral foramen to cause sacral nerve root compression.
目的探讨用神经松解术治疗颈神经根椎孔外卡压综合征。
Objective To investigate treatment of using the method of neurolysis for cervical nerve compressing of the entrapment syndrome outside spinal aperture.
对于强制循环系统，为了避免循环水动力的多值性，设计均要求在每一根水冷壁管设置节流孔板。
For the forced circulation system, to avoid the excessive values of circulation water dynamic, every water cooling tube must be mounted throttle plate in the design.
目的：探讨肘外侧疼痛与椎孔外颈神经根(5 ~7)卡压的关系。
Objective: To investigate the relationship between resistant lateral elbow pain and cervical nerve roots (5 ~ 7) compression.
一种L形的不锈钢棒从椎板切除部位伸入椎间孔使神经根受到挤压。
An L-shaped stainless steel rod was inserted from the laminectomy toward the intervertebral foramen to compress the nerve root.
盛钢桶底有个叫作水口的孔，由一根直立的耐火材料做的塞棒堵住。
There is an opening in the bottom of the ladle, called nozzle, which is sealed with a vertical refractory stopper.
目的：作者研究了胸腰椎椎间孔内神经根的韧带解剖，描述了它们的解剖关系及功能特性。
The author conducted a study to investigate the anatomy of the intraforaminal ligaments of the thoracic and lumbar nerve roots and describe their anatomical relationships and functional properties.
结论脊髓造影CT可以显示椎间孔周围神经根的情况，对臂丛神经节前损伤的定性定位可做出准确判断。
Conclusion ct Myelography can show the nerve rootlets within the intervertebral foramen, thus, help make a correct qualitative and level diagnosis in brachial plexus pre-ganglionic injuries.
结论：核磁检查可以显示椎间孔周围臂丛神经根的情况，对臂丛神经节前损伤的定性定位可作出较准确的判断。
Conclusion MRI can show the nerve rootlets within the intervertebral foramen, thus, can make a correct qualitative and level diagnosis in brachial plexus pre-ganglionic injuries.
这意味着，随着496根航站楼人工挖孔灌注桩基等准备工作的完成，合肥新桥国际机场主体工程正式动工的日期越来越近了。
This means that, with 496 hand-dug pile terminal base, such as the completion of preparatory work, Hefei Xinqiao International Airport to start the main works of the date getting closer and closer.
探讨颈椎间孔阻滞合臂丛神经牵拉样手法治疗神经根型颈椎病的临床疗效。
To explore the clinical effect of cervical spondylotic radiculopathy treated with intervertebral foramen block and brachial plexus traction-like technique.
结论：将硅胶管从兔的椎间外孔缓慢塞入椎间管内使腰神经根慢性轻度受压，更接近于腰椎间盘突出和椎间管狭窄对神经根的压迫。
Conclusion: The chronic nerve root compressed model made in this article was more similar to what resulted from lumbar disc herniation and lumber nerve canal narrowing.
另外，对叉型叶根，文中提出了一种简化的接触模型，并根据计算结果给出更合理的销钉孔载荷分布拟合公式。
Furthermore, as for the fork blade roots, a simplified contact model is put forward and according to the calculation results, a more reasonable pin-hole load distribution model is given in this paper.
由一根一端封闭的纤细管子组成的高音木管乐器，侧边有按键和指孔，靠近封闭端有一个使气流进入的开口。
A high-pitched woodwind instrument consisting of a slender tube closed at one end with keys and finger holes on the side and an opening near the closed end across which the breath is blown.
潜艇耐压壳体上大的开孔常常切断一根肋骨，并且用围壁进行加强。
A big hole generally cuts off a ring on the pressure hull of submarine, and is stiffened by coaming.
骨赘和其它病变也会影响椎间孔，引起神经根离开脊柱的空间变得狭小。
Bone spurs and other problems can also affect the foramen, constricting the space for a nerve root as it exits the spine.
骨赘和其它病变也会影响椎间孔，引起神经根离开脊柱的空间变得狭小。
Bone spurs and other problems can also affect the foramen, constricting the space for a nerve root as it exits the spine.
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