1) progressive spiral tube
渐近螺旋管
1.
The paper demonstrates, from the point of view of mathematic and mechanics, that, in boilers, progressive spiral tubes are superior to current coil tubes with respect to space occupied, stress intensity and flow resistance.
该文运用数学和力学方法分析证明了渐近螺旋管无论从占地、受力、阻力、传热诸方面要优于现行的锅炉蛇形管。
3) involute helicoid
渐开螺旋面
1.
Theoretical verification of generating method for grinding of gear involute helicoid;
展成法磨削齿轮渐开螺旋面的理论验证
2.
According to the working principle of conical wheel gear grinding machine and meshing theory of gears,the involute helicoid grinding with conical wheel gear grinding machine is proved with normal of tooth profile method,which include equations of tooth profile and involute helicoid.
文章根据锥面砂轮磨齿机工作原理和齿轮啮合原理,利用齿形法线法,从齿形方程和渐开螺旋面两个方面对锥面砂轮磨齿机正确磨削斜齿圆柱齿轮渐开螺旋面进行了理论验证,该验证方法及推导过程有助于理解采用齿条形刀具磨削齿轮的原理,同时对提高磨齿加工精度具有理论指导意义。
4) involute helicoid
渐开线螺旋面
1.
A characterization of involute helicoid and its application;
渐开线螺旋面的一个特性及其应用
5) spiral involuting serration
渐开线螺旋花键
1.
This paper expounds the design,the manufacturing characteristics and the application of a new type of roolling wheel used for cold rolling the spiral involuting serration.
铣削加工的四键或六键矩形花键是汽车、拖拉机用起动机电枢轴上的传统结构 ,已逐渐被用冷滚轧加工的多键渐开线螺旋花键所代替。
6) involute screw surface
渐开线螺旋廓面
补充资料：渐近公式
渐近公式
asymptotic formula
渐近公式}朋yolp肠cl栩.lula二~Irror~绷如甲My月a} 包含符号。，O或等价记号一(函数的渐近相等(as，mPtotiee甲ality))的公式 渐近公式的例f 牡n一丫二一x十口(义舌%*0、 )5戈l+‘)(义‘)，、。0;茸、十芜川、一丫’℃一，关二 “(一‘，一下:_于“一笑(7r以)是不超过二的素数的个数，. ‘M，B因脚月撰【补注】关于符号。O和一的意义，例如见阵11或!AZ}.
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条