A A-weighted sound pressure level A 声级(96) absolute humidity 绝对湿度(2) absolute roughness 绝对粗糙度(25) absorbate 吸收质(49) absorbent 吸收剂(49) absorbent 吸声材料(100) absorber 吸收器(85) absorptance for solar radiation 太阳辐射热吸收系数(60) absorption equipment 吸收装置(49) absorption of gas and vapo[u]r 气体吸收(48) absorptiong refrige rationg cycle 吸收式制冷循环(80) absorption-type refrigerating machine 吸收式制冷机(84) access door 检查门(55) acoustic absorptivity 吸声系数(100) actual density 真密度(44) actuating element 执行机构(94) actuator 执行机构(94)adaptive control system 自适应控制系统(93) additional factor for exterior door 外门附加率(19) additional factor for intermittent heating 间歇附加率(19) additional factor for wind force 高度附加率(19) additional heat loss 风力附加率(19) adiabatic humidification 附加耗热量(18) adiabatic humidiflcation 绝热加湿(66) adsorbate 吸附质(49) ads