1.
Theoretical Study and Exprimental Analysis of The Double Rotary Helicoids Flatting Machine;
双轴螺旋平整机的理论研究及试验分析
2.
Deformation analysis on cantilever screw conveyer shaft based on method of dynamic double barycenters
基于动态双重心法的悬臂螺旋输送机螺旋轴的变形分析
3.
paranemic spiral
平行螺旋，反向双股螺旋
4.
Research on Technology of Twin Symmetry Roll Axial Rolling Spiral Bevel Gear;
对称双辊轴向轧制螺旋锥齿轮工艺研究
5.
New Technology of Twin Symmetry Roll Axial Rolling Passive Spiral Bevel Gears
对称双辊轴向轧制从动螺旋锥齿轮新工艺
6.
conveyer screw shaft coupling
输送机螺旋轴联轴节
7.
measurement of fit clearance of propeller
螺旋桨轴安装间隙测量
8.
helix-to-coaxial-line transducer
螺旋同轴线匹配变换器
9.
spiral bevel gears with offset axes
轴线偏置螺旋伞齿轮
10.
bonding of propeller to shaft
螺旋桨与轴胶合联结
11.
Inspection machining dimension of propeller shaft( intermediate shaft or counter shaft).
螺旋桨轴（间轴）加工尺寸检查。
12.
a twin-screw cruiser
双螺旋桨的机动游艇.
13.
double torsion machine
双列螺旋弹簧卷绕机
14.
electron-nuclear double resonance helix
电子-核子双共振螺旋管
15.
ectron-nuclear double resonance helix
电子核子双共振螺旋管
16.
double helical (spur) gear
双螺旋齿轮，人字齿轮
17.
Design Method and Fabrication Technology of the Shaft of Screw Press
螺旋挤浆机螺旋轴结构优化设计与加工工艺
18.
hydraulic double-chuck spindle veneer lathe
液压双卡轴木旋切机