1.
Sagittal airway dimensions following maxillary protraction in 30 cases
前方牵引器治疗对上气道影响30例观察
2.
Clinical outcomes of maxillary protracting appliance in skeletal Class Ⅲ malocclusion
前方牵引器矫治骨性Ⅲ类错的临床研究进展
3.
Effects of Cephalometric variables in early predicting curative effects of facial mask
头影测量预测前方牵引器疗效的初步探讨
4.
Hard Tissue Change of Skeletal Class Ⅲ Malocclusion After Protraction Headgear;
骨性反合前方牵引器治疗的颅面硬组织结构变化
5.
The Application of Face-mask Protraction Therapy in Early Class Ⅲ Skeletal Ⅲ Malocclusion
前方牵引矫治器在安氏Ⅲ类骨性错（牙合）早期矫治中的应用
6.
The Biomechanical Effects of the Orientation of Distractors at the Distractors-Bone Interface: a Three-Dimensional Finite Element Analysis;
牵引器放置方位对骨-牵引器界面生物力学影响的三维有限元分析
7.
New Method of Comprehensive Choice of Traction Transformer for High-Speed Railway
高速铁路牵引变压器综合选型新方法
8.
Application and Research on Different Wiring Traction Transformers
不同牵引变压器接线方式的应用研究
9.
Treatment of Skeletal Class Ⅲ Malocclusion with Modified Protraction Headgear and Edgewise Appliance
改良长拉钩前牵引器与方丝弓矫治器联合矫治安氏Ⅲ类骨性错?的研究
10.
A Primary Study on the Relationship between Maxillary Protraction Treatment and Changes of Nasal Profile of Children with Crossbite;
反合儿童上颌前方牵引鼻部外形变化的研究
11.
The Application of Reformative Nance Bow with Reverse Headgear in ClassⅢ Malocclusion
改良Nance加前方牵引法用于矫治Ⅲ类骨性错畸形
12.
Clinical study of maxillary protraction combined with maxillary molar distalization appliance therapy on cross bite and crowding malocclusion
前方牵引加推磨牙远移治疗反伴牙列拥挤
13.
Clinical Study on Angle Ⅲ Malocclusion Treated by Protraction
前方牵引治疗安氏Ⅲ类骨性错畸形的临床分析
14.
Technical code for railway electric traction auto-trans-former feeding system
铁路电力牵引供电自耦变压器方式技术规范
15.
Traction control methods based on special off-road vehicle with power take-off
基于配备取力器的越野车牵引力控制方法
16.
electronic controlled intermittent tractor
电子控制间断式牵引器
17.
contactor equipment
接触器控制的牵引设备
18.
trailed and mounted sprayers
牵引和悬挂式喷雾器