dual automatic双: two; twin; both; dual自动: voluntarily; of one's own ac ...的: 4次方是 The fourth power of 2 i ...双自动控制: duomatic control双自动定位系统: dual automatic station keeping system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:双自动的,即可在微信中查询翻译