A A-weighted sound pressure level||A 声级 absolute humidity||绝对湿度 absolute roughness||绝对粗糙度 absorbate 吸收质 absorbent 吸收剂 absorbent||吸声材料 absorber||吸收器 absorptance for solar radiation||太阳辐射热吸收系数 absorption equipment||吸收装置 absorption of gas and vapor||气体吸收 absorptiong refrige rationg cycle||吸收式制冷循环 absorption-type refrigerating machine||吸收式制冷机 access door||检查门 acoustic absorptivity||吸声系数 actual density||真密度 actuating element||执行机构 actuator||执行机构 adaptive control system||自适应控制系统 additional factor for exterior door||外门附加率 additional factor for intermittent heating||间歇附加率 additional factor for wind force||高度附加率 additional heat loss||风力附加率 adiabatic humidification||附加耗热量 adiabatic humidiflcation||绝热加湿 adsorbate||吸附质 adsorbent||吸附剂 adsorber||吸附装置 adsorption equipment||吸附装置 adsorption of gas and vapo