A new type of planetary gear system for vehicle auto transmission is studied and set forth.

研究和阐述一种适用于汽车自动变速器的行星齿轮新轮系。

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A new type of planetary gear system for vehicle auto transmission is studied and set forth.

研究和阐述一种适用于汽车自动变速器的行星齿轮新轮系。

youdao