abbr. [军]防空坦克(=Anti-Aircraft Tank)
abbr. 气研磨修整(=Air Abrasive Trimming)
abbr. 丙氨酸氨基转移酶(=Alanine Aminotransferase)
abbr. 英美电报公司(=Anglo-American Telegraph Company)
abbr. 自动回答信息通路(=Automatic Answer Trunk)