常見例句雙語例句Driving system and universal transmission device maintenance;行駛系和萬向傳動裝置維修；The utility model relates to a planetary reducer with internal gear, which belongs to a universal mechanical driving device.本實用新型涉及一種行星內(nèi)齒差減速器，屬于通用的機械傳動裝置。ip.com 返回 universal driving device