Removing of Spiral Mark on Workpiece Resulted from Cylindrical Grinding;
外圆磨床磨削中工件螺旋线纹缺陷的排除
Unserewing Mould with Sidelong Rotating Core Through Rack and Pinion-gearing
齿轮-齿条传动横向型芯旋转脱螺纹注塑模
a wrench for turning a tap to create an internal screw thread.
旋转活栓产生内螺纹的扳手。
a shaft with screw thread (the worm) meshes with a toothed wheel (the worm wheel); changes the direction of the axis of rotary motion.
螺纹杆与齿轮相啮合；改变轴旋转运动的方向。
Analysis and Calculation about Axial Load of Rotate Shoulder Connection;
旋转台肩连接螺纹轴向载荷分析与计算
barber's pole ;pole with red and white spiral stripes,used as a barber's sig
理发店旋转立柱（上有红白螺旋条纹, 用作理发店的标志）.
spiral contrapper knitting machine
螺旋形花纹吊线织袜机
Secondly there is error between thethread roll angles of thread rolling die and drill rod.
滚丝轮螺纹和钻杆螺纹的螺旋角有误差。
Non-rotating stem with precision Acme threads and burnished finish. Double Acme for faster operation.
不旋转的阀杆具有精密的梯形螺纹和抛光光洁度。双梯形螺纹使得操作更加快速。
the whirl of the propeller blades
螺旋桨叶片的旋转.
The helix makes a complete turn every 4.4nm.
螺旋旋转一周为4．4nm。
state of being twisted in a spiral
被旋转成的螺旋形.
total propeller-disk area
螺旋桨旋转盘总面积
Non-rotating Stem with precision Acme threads and burnished finish. Valve suitable for horizontal installation.
不旋转阀杆具有精密梯形螺纹和经过抛光的表面光泽度。
The spirally threaded shaft of a worm gear.
螺纹蜗轮的刻有螺旋线的柄
the raised helical rib going around a screw.
绕着螺丝的凸起的螺旋状的肋纹。
Double Spiral Fluting Tap, a New Type Threading Tool
一种新型的螺纹工具——双螺旋槽丝锥
Approximate Graphics of 3D Spiral Spring and Thread in AutoCAD;
AutoCAD中三维螺旋弹簧、螺纹的近似画法
Application of a new helix screw thread pipe heat exchanger
一种新型螺旋螺纹管式换热器的应用
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