So, that researching on the flow of viscoelastic fluid in annulus with the inner cylinder executing a planetary motion has great significance in academic theory in the engineering.
因此研究粘弹性流体在内管做行星运动的环空中的流动具有学术理论意义和工程实际意义。
Planetary motion is also a result of gravitation.
行星的运动也是引力的结果。
In the robot, two planetary gear mechanisms were assembled to realize the radial rectilinear stretching motion and a seal structure was used.
该净化机器人采用两组行星轮系组合来实现关键的径向直线伸缩运动，并合理配置密封来实现上述需求。
应用推荐