aautomatic transmission自动: voluntarily; of one's own ac ...传动: transmission; drive; driving ...系: system; series或: nǎi-.自动变速器: automatic transmission下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:自动传动系或自动变速器,即可在微信中查询翻译