1.
Comparison of withdrawal forces of pedicle screws with different threads and augmentation materials
不同椎弓根螺钉螺纹设计及各种强化材料的拔出力比较
2.
Tapping screws thread

GB/T5280-1985自攻螺钉用螺纹
3.
remove the thread (of screws).

去掉(螺丝钉的)螺纹。
4.
The Application of Solidworks2003 in The Design of Screw Thread;

Solidworks2003在螺纹设计中的应用
5.
Design and Research on Snail Information System Based on GIS

基于GIS的钉螺螺情信息系统的设计与研究
6.
Design of Tensile Testing Device for Small Diameter Bolt and Screw

小直径螺栓和螺钉拉伸试验装置的设计
7.
Design and Implementation of Oncomelania Information System Based on Grid Positioning

格网定点式钉螺螺情信息系统的设计与实现
8.
the part of a bolt between the thread and the head.

螺钉的头部和螺纹之间的部分。
9.
Side view of fillister head slotted screw with adjustable thread length.

螺纹长度可调整的槽头螺钉的侧面图。
10.
Side view of roundhead screw with adjustable thread length.

螺纹长度可调整的圆头螺钉的侧面图。
11.
Side view of wing screw with adjustable thread length.

螺纹长度可调整的翼形螺钉的侧面图。
12.
" Bolts, screws and studs--Nominal lengths, and thread lengths for general purpose bolts"

GB/T3106-1982螺栓、螺钉和螺柱的公称长度和普通螺栓的螺纹长度
13.
A small block of metal or wood with a central, threaded hole that is designed to fit around and secure a bolt or screw.
螺母,螺帽中部有螺纹用于与螺栓或螺钉相配合的小块金属或木头
14.
Screw thread shanks for thread forming screw--Metric coarse thread series

GB/T6559-1986自攻锁紧螺钉的螺杆粗牙普通螺纹系列
15.
Advances in strengthening stability of pedicle screw in osteoporosis through improvement of design
改进螺钉设计提高骨质疏松条件下椎弓根螺钉稳定性的研究进展
16.
screw designed to be turned with the thumb and fingers.

设计成可以绕手指旋转的螺钉。
17.
Design and Biomechanical Study of the Gamma s Anti-sliding Screw;

Gamma钉近端防滑脱螺钉的设计及生物力学研究
18.
Design and manufacture of hight pressure seal thread socket with large ddameter and big pitch
大直径大螺距高压密封螺纹套管设计与制造