double controldual controldual operationduplex controlduplicate controlduplicated control双重: double; dual; twofold; dupli ...控制: control; dominate; regulate; ...双重控制的: dual-control双重控制设备: dual controls非联锁双重控制: unlocking dual control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:双重控制,即可在微信中查询翻译