前方牵引器；快速扩弓；骨性前方反牙合。
Front tractor; Rapid expansion bow; The front teeth osteoarthritis.
重力牵引器发射地越快，达成目标的花费也就越小。
The faster a gravitational tractor is dispatched, the smaller and cheaper it need be to achieve its goal.
使用神经牵引器轻柔的牵拉与保护硬膜囊与神经根。
The thecal sac and nerve root are then gently retracted and protected with a nerve retractor.
包含：上肢牵引器、单杠、引体向上、台阶训练器、扭腰器。
Combination: Arm extension, horizontal bar, pull-up, stepper trainer, waist Twister.
观察一种新颖的，可以恢复颈椎前凸曲度牵引器的临床应用价值。
To observe the value of clinical application about a novel cervical traction apparatus that could recover cervical lordotic curvature.
绳 索的一端连接在气动组件上，绳索的另一端连接在绳索牵引器上。
One end of the rope is connected on the pneumatic assembly, and the other end of the rope is connection on the rope tractor.
鲁博士将其称之为“重力牵引器”，其优势在于极有可能将小行星完好无损地撵走。
The advantage of such a "gravitational tractor", as Dr Lu has dubbed it, is that it is more likely to leave the asteroid intact.
目的评价前方牵引器联合快速扩弓矫治恒牙早期骨性前牙反牙合的有效性。
Objective To evaluate the maxillary protraction appliance permanent teeth combined rapid expansion of early bone anterior crossbite effectiveness.
观察15例颈椎曲度变直的颈椎病患者使用牵引器后的颈椎曲度变化情况。
To observe different changes of 15 cases of cervical spondylosis whose cervical curvature have been straight after the novel cervical traction apparatus was used.
方法使用内置式三焦点牵引器对4只成年犬下颌骨骨段缺损进行牵引成骨重建。
Methods The internal trifocal distractor was used to reconstruct the mandibular segmental defects of 4 canine model.
目的：初步研究和评价内置式牵引器牵引成骨治疗上颌发育不全术后的稳定性。
Objective: to investigate the stability of internal midface distraction in correction of severe maxillary hypoplasia secondary to cleft lip and palate.
目的：探索使用钛镍合金牵引器弹性加载自动牵引成骨重建节段性缺失下颌骨的动物建模方法。
Objective: To establish suitable animal models for elastic distraction osteogenesis using titanium-nickelalloy distractor for reconstruction of mandibular segmental defect.
本文在水平井牵引器机构分析的基础上，给出了部分零件的设计原则和牵引器越障性能的评价。
Having the structure analyzed, the ability to cross obstacle of both the parts and the whole is determined, the design principle and using advice of some parts is given.
用一个带有张力测量器的牵引器在l4—l 5椎间盘水平将左髂动脉和腹主动脉末段牵向右侧。
The left iliac artery and the distal abdominal aorta were retracted to the right side at the l4-l5 disc level by a measuring retractor to which a strain gauge was attached.
对放膜结构、中封牵引器结构、横封切断器结构等关键部件的原理、结构特点等做了较为详细的分析；
This paper also analyzed the compensatory principles and structure, offers a structure that can adapt the change of packing length and cross-cutting swivel continuously.
通过直管障碍的仿真实验，得出了牵引器在直管中越障时各组件的工作状态、直管越障阻力与设计牵引力的比例关系。
By simulation of the tractor in straight oil pipe with obstacle, discussed the working situation of components and the relation between drag force and the force need to cross obstacle.
被称为地心引力牵引器将能处于一个离具有威胁的小行星附近，施加一个小的拉力，长时间下去，就可以让小行星拉离轨道。
The so-called Gravity Tractor could maintain a position near the threatening asteroid, exerting a gentle tug that, over time, would deflect the asteroid.
自行研制的充气式弹性脊柱固定牵引器，经过临床治疗屈曲型胸腰椎骨折200余例，随访150例，复位优良率达97%。
We treated 200 cases of flexion fracture of thoracolumbar spine with self-made aerated elastic fixation tractor. Follow-up of 150 cases showed a rate of excellent and good results of reduction of 97%.
结果建立了用于计算机辅助设计的镍钛记忆合金牵引器有限元模型，可以预测一定形状的牵引器在变形过程中(各时段)其本身结构中各节点、单元的受力、位移情况。
Results the finite element model of NTMA tractor for CAD was set up, which could predict the strength and displacement of every node and element of its own structure in the course of deforming.
结果建立了用于计算机辅助设计的镍钛记忆合金牵引器有限元模型，可以预测一定形状的牵引器在变形过程中(各时段)其本身结构中各节点、单元的受力、位移情况。
Results the finite element model of NTMA tractor for CAD was set up, which could predict the strength and displacement of every node and element of its own structure in the course of deforming.
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