In the long-term operation of atmospheric and vacuum heat furnace that use vacuum heavy oil as fuel,thesurface of nailhead furnace tube in the convection chamber was seriously deposited.
以减压渣油为燃料的常减压加热炉在长期生产运行过程中,对流室钉头炉管表面结垢严重。
A study of the effect of root canal pin on increasing the strength of bending resistance of PFM crown abutment;
根管钉加强烤瓷冠基牙抗折强度作用的研究
Objective: To evaluate the clinical of using prefabricated cylindrical root canal pin to lengthen the clinical crown and restoring anterior tooth and premolar defect with PFM.
目的:评价应用预成圆柱形根管钉对前牙牙体缺损患者冠再接后烤瓷修复体的临床效果。
All amalgam post core repair the residual root and residual crown of the posterior tooth;
全银汞合金根管钉核修复后牙残根残冠
Effects of PLA post extract liguid on biological characteristics of deciduous teeth periodontal ligament fibroblasts
聚乳酸根管钉浸提液对人乳牙牙周膜细胞生物学性能的影响
Clinical application of root canal pin and silver amalgam for restoration of residual root and broken root below gum
根管螺纹钉加银汞合金修复龈下断根及残根的临床应用
Tr eatment waist spinal canal stenosis by intervertebral cage and fixed pedicle of vertebral arch
椎弓根钉内固定椎间Cage融合治疗腰椎管狭窄症
Even husbands who can hardly drive a nail in straight are supposed to be born electricians, carpenters, plumbers and mechanics.
虽然丈夫连一根钉都钉不直，但他们被认为是天生的电气技师、木匠、管子工和机械师。
The carpenter kept pounding at the nail until he drove it home.
断敲打那根钉子，直到把它钉牢为止。
A peg for fixing the crown to the root of a tooth.
牙钉用来将牙冠固定在牙根上的钉子
Basic Study and Application of Percutaneous Pedicle Screw in Minimally Invasive Spinal Surgery;
经皮椎弓根钉螺钉的基础和应用研究
He drove every nail home.
他敲紧每一根钉子。
I can feel a nail in my shoe.
我感到鞋里有根钉子。
Biomechanics and Nail Road of Expansion Pedicle Screw;
膨胀式椎弓根螺钉生物力学和钉道参数研究
Biomechanical Analysis of an Improved Hollow Pedicle Screw and Screw Channel Augmentation Technique
改良空心椎弓根钉和钉道强化的生物力学研究
An Individual Technique of Pedicle Screw Placement in Cervical Spine
颈椎椎弓根螺钉个体化置钉技术的研究
A Study of the Variability of the Parameters of Sacroiliac Joint Screw Path and Related Factors through S_2 Pedicle
经S_2椎弓根骶髂关节螺钉固定钉道参数的研究
Anatomic Study and Accuracy of Cervical Pedicle Screw Placement Using Cervical Pedicle Screw Guide Technique;
颈椎椎弓根钉导向器置钉法相关解剖学研究和置钉准确性研究
Comparison of Stress Distributions in Tooth after Root Canal Preparation with Three Different Instruments and Repair with Different Root Canal Post-core;
三种根管预备方法和不同固位钉修复对牙体组织应力分布影响的三维有限元分析
Studying the relationship on the horizontal distance from atlas pedicle screw entry point to medial border of axis pedicle
寰椎椎弓根螺钉进钉点与枢椎椎弓根内壁水平间距关系的研究
Packing in sturdy wooden cases is essential. Cases must be nailed, battened and secured by overall metal strapping.
必须用坚实的木箱包装，装箱必须用铁钉钉好，用木版钉住，用一根铁皮钉牢。
