abnormal condition 异常工况absorber rod 吸收棒absorption cross section 吸收截面acceleration pressure drop 加速度压降acceptable daily intake 日允许摄入量acceptance 验收acceptance standard 验收标准acceptance test 验收实验accident analysis 事故分析accident interlocking module 事故联锁组件accident mitigation 事故缓解accident source 事故源accident shutdown 事故停堆accumulator 安注箱activation 活化active component 能动部件active power 有用功率actuate 驱动，动作activity concentration 放射性浓度activity level 放射性活度administration building and emergency center water supply and drainage system 办公楼及应急中心给排水系统absorber chiller 吸收式制冷机 aerodynamic behavior 空气动力特性after filter(or post-filter) 后置过滤器after-power， residual heat power 剩余功率air change rate 换气率air delivery pipe 供气管道air filter unit 空气过滤机组air flow rate 空气流量air hose 空气软管air pump 抽气泵air self-cooling type 空气自冷式airborne particulate sample 气载粒子取样器alarm(output) module 报警（输出）组件alarm window 报警窗absorbed dose rate 吸收剂量absorption coefficient 吸收系数absorption ratio 吸收比acceleration pressure loss 加速度损失acceptance limit 可接受限值acceptance criterion 验收准则acceptance report 验收报告access 通道，入口accident conditions 事故工况accident management 事故处理accident prevention 事故预防accidental exposure 事故照射accumulated dose 累积剂量acid-proof tile 耐酸瓷砖active carbon filter 活性碳过滤器active core height 堆芯活性高度activity 活度administration building and emergency center ventilation system 办公楼及应急中心通风系统adoption by equivalent 等同采用aerial cable 架空电缆aerosol 气溶胶after-heat, residual heat 剩余释热air breaker 空气断路器air cooler 空气冷却器air filter and absorber unit 空气过滤吸附机组air handling unit 空气处理机组air intake 采风口，进风口air sampling device 空气取样设备air submerasion dose 空气浸没剂量airborne radioactivity 气载放射性alarm 警报，报警alarm signal 报警信号albedo 反射率aligning pin 定位销alphanumeric keyboard 字母数字键盘American Concrete Institute 美国混凝土学会American National Standards Institute