Spherical gear mechanism is a new type of gear which can transfer two-dimensional overall motion.

球齿轮机构是一种能传递空间二维运动的新型齿轮机构。

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Spherical gear mechanism is a new type of gear which can transfer two-dimensional overall motion.

球齿轮机构是一种能传递空间二维运动的新型齿轮机构。

youdao