东航：机组失联前没挂出紧急代码 【词语拼音】:__ dong hang ji zu shi lian qian mei gua chu jin ji dai ma_
东航：机组失联前没挂出紧急代码 【词语简写】:__dhjzslqmgcjjdm_
东航：机组失联前没挂出紧急代码 【英文拼写】:China Eastern Airlines: the crew did not hang up the emergency code before losing contact