Introduces a new technology for hobbing small module and fewer teethed gear with the usage of the transmission chain of Y631K spline shaft milling machine by adding the number of index change gears.是什么意思_Introduces a new technology for hobbing small module and fewer teethed gear with the usage of the transmission chain of Y631K spline shaft milling machine by adding the number of index change gears.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句