- all outside air system全外部空气第系统;
- air traffic control空中交通管理，空中交通管制，空中交通指挥;
- air tight door气密门;
- air tight construction气密构造;
- air supply grille送风格栅;
- air space ratio空隙比;
- air sampling空气取样;
- air pressuren.气压，风压;
- air placer混凝土气力压送机;
- air placed concrete喷注混凝土;
- air monitoring大气监测，大气污染监测，空气污染监视;
- air lockn.阻隔室，气塞;锁气室;
- air line航空线;气泡线;空气管道;空气谱线;
- air inflow进气;
- air infiltration[机] 空气渗透;
- air hammer气锤;风锤;
- air gap空隙;气隙;
- air free concrete密实混凝土;
- air flow气流;
- air distribution风量按需分配;
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