spiral axis

The observation of water flow shapes at different blowing_heater tubes' outlet shows that the flow shape is a spiral one for inner spiral fin tubes while parallel with axis for finless tubes or inner straight fin tubes.

观察了不同喷射加热管出口处水流态，其中内螺旋翅片管内水流态呈螺旋状，而光壁管、直翅片管均沿轴线平行。

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The cross sections of the Corallium elatius samples are distributed by numerous calcite crystal being spiral growth surrounding the different axis centers.

其横截面由围绕不同轴心成层螺旋生长的柱纤状方解石晶体规则排布而成；

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Spiral V-notch loosen blasting has broadened the application of notched blasting from a single blasting control technique to a rock fragmenting one by changing the conventional straight notch along the axis into two spiral notches around the axis.

将切槽控制爆破技术引入岩体松动爆破领域：螺旋切槽孔松动爆破将传统的轴向切槽方式进行改变，即把沿轴向平行的直槽改成绕轴线旋转螺旋切槽。

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X axis and Y axis adopt ball spiral rods with excellent precisions and low friction factors.

X.Y轴采用滚珠螺杆传动精度佳,摩擦系数小.

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Calculation of Cutting Edges& 2 axis NC Machining of Spiral Groove of Ball end Cutters

球头铣刀刃口曲线的求解及螺旋沟槽的二轴联动数控加工

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The three parallel axis gear-bearing-rotor system dynamic characteristics change little while skew gear spiral angle varies between 8 degree and 20 degree.

斜齿轮螺旋角在8度到20度间变化时，三平行轴齿轮轴承转子系统的振动特性基本没有变化。

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This paper studied-axis CNC spiral bevel gear machine movement rules, and set up machine machining coordinates.

研究了四轴数控螺旋锥齿轮铣齿机的运动规律, 建立了铣齿机加工坐标系.

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