中间层和顶层平面外部创造了动态的黑白斜螺旋块，他们交错在一起。
The middle and the top floor exteriors create dynamic black and white sloped spiral blocks which are twisted together.
分析齿轮主要参数，提出用测量跨棒（）和公法线长度计算斜齿圆柱齿轮螺旋角的测绘方法，并推导出螺旋角的计算公式。
In this paper calculating method of lead angle of helical gear by measuring span length of length bar and base tangent length is put forward and lead angle calculating formula is deducel.
给出了斜航式法向圆弧螺旋锥齿轮的参数化建模方法。
The parametric modeling method for loxodrome normal circular-arc spiral bevel gear was presented.
应用推荐