Alternating Currentadj. 交流电的 Air Conditioningn. 空气调节 Account账户 Account Current往来帐户 Associate Contractor承包人联系在一起 Aircraftn. 飞机 Airing Cupboard晾衣橱 Assembly and Checkout装配与检查 Area Code(电话)区号 Activated Carbonn. [化]活性碳 Aircraft Commander机长 Absolute Ceilingn. [航空]绝对顶点 Attack Characterization攻击的表征 Authority to Construct权威 Air to Cloth Ratio空气对布的比例