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- circular conical surface 圆锥面
- By finite element analysis of circular conical shell, the natural frequencies and vibra-tional modes of Yongle Bell have been calculated. 本文通过旋转壳体的有限元方法,计算了永乐大钟的主要固有频率和振型。
- A study was made to determine the dynamic stability of the truncated thin circular conical shell with impulsive cosine load. 本文采用数值方法对圆锥壳在余弦载荷作用下的动力屈曲问题进行了探讨。
- Dual-jet is a new kind of high efficient jet,which is formed by combining round straight jet with circular conical swirling jet. 双射流是由中心直射流和同轴的环形旋转射流形成的一种新型高效射流,用双射流能够克服门限压力与高破岩比能的制约而高效破岩。
- It mainly introduces the technical method by which air jig uses tow conical surface to clamp sleeve parts locatedly. 主要介绍气动夹具利用双锥面来定位夹紧盲孔套类零件的一种新工艺方法。
- Present a method of sharpening twist drills in the interior conical surface and exterior conical surface grinding wheel. 提出了利用外锥面砂轮实现内锥面刃磨钻头的方法,设计了实现该方法的连杆齿轮组合机构。
- Adopting the straight-line bearing and asynchronism electrical machineries of conical surface braking, operation is steady. 采用直线轴承及锥面制动三相异步电机，运作平稳。
- The ideal rock sample is the conical surface rock sample that can joint crest of teeth in single row drilling experiment. 在单齿圈破岩试验中,理想的岩样是与牙齿齿顶线相贴合的锥面岩样。
- The application method gasifies: Pinching flat (or nips the air faucet root conical surface flatly) flushes air, several seconds only. 充气：捏扁（或咬扁）气嘴根部锥面后吹气，几秒钟即可完成。
- According to the principle of constructing elliptical conical surface by the circles on a sphere, a T-joint inscribed in a sphere is designed. 根据“[球形滚刀]面上圆构造椭圆锥面”的原理，设计了[球形滚刀]内接三通接头。
- Wedge mechanism was adopted in piercing die to achieve side piercing,and the positioning of taper pipe depended upon the conical surface of blanking die itself. 在冲孔模中选用了带有楔角的斜楔机构来实现侧冲,并利用冲裁凹模自身的锥形面实现了锥形管的定位。
- A set of formula of conical surface double enveloping worm gearing had been derived and its figures,posi- tion and distribution had been depicted by graphs. 根据散装水泥贮运集装箱的运行要求，探讨以平面二次包络环面蜗杆传动副作为其升降系统传动装置的可行性。
- Lathe tools with arc transition edge are widely use in NC lathing.However,when they are used to turn arc surface or conic surface,lack turning or excessive turning is likely to happen. 带刀尖圆弧过渡刃的车刀在数控车削中得到广泛的使用,但在车削圆锥面和圆弧面时容易产生欠切、过切现象。
- Profile measurement of the circular conical curved surface of forged lining board 机车锻造衬板圆锥曲面面轮廓度的检测
- Taper Roller Conical Surface Lines Convexity 圆锥滚子圆锥面素线凸度
- We can compute the circular area with radius. 我们能用半径计算出圆的面积。
- worm enveloped by conical surface 锥面包络蜗杆
- elliptic conical surface of no distortion 不变歪椭圆锥面
- The full moon has a circular form. 满月呈圆形。
- The circular points are really a degenerate conic. 虚圆点实际上是一退化的二次曲线。
