rolling sphere viscometer 滚球式粘度计 ; 滚球式黏度计
Women without men and men without women are incomplete half sphere, make two and a half sphere rolling forward happily "together"? Learn the art of husband and wife get along with.
没有男人的女人与没有女人的男人都是不完整的半个球体，使两个半球体“合二为一”快乐地向前滚动吗?那就要学会夫妻相处的艺术。
A novel spherical rolling robot based on stability of sphere was proposed.
提出了一种新颖的球形滚动机器人的球稳定性的基础上。
The outer rig is sphere that based on the bearing's center, the rolling entity linearly come into touch with raceways of inner and outer ring, which can support greater radial loading.
外圈是以轴承中心点为球心的球面， 向心球轴承具有自动调心性， 深沟球轴承滚动体与内、外圈滚道之间是线性接触， 外球面轴承能承受大的径向载荷。
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