airgunn.气枪(喷雾器)airn.空气；天空；空中；感觉；神态；曲调；装腔作势v.晾干；使通风；广播air-mail poundage航空邮件的磅量air-cooling tower空冷塔air-transportableadj.可空运的air-blast sprayer鼓风喷雾机air drying material气干材料air defense in zone区域防空air-cooling cargo凉货air cushion headbox蒸汽冷凝水系统airflow fluctuating风流脉动air pressure switch压缩空气开关,气动开关