- all air system全空气系统;
- air traffic control空中交通管理,空中交通管制,空中交通指挥;
- air to air heat recovery unit空气 空气热交换式热回收组合机组;
- air tight door气密门;
- air setting refractory mortar气凝性耐火砂浆;
- air sampling空气取样;
- air resistance空气阻力;
- air placer混凝土气力压送机;
- air inlet进风口,进气口;进气道;
- air hydraulic jack气液千斤顶;
- air humidification[化] 空气增湿;
- air gap空隙;气隙;
- air freight航空运费;
- air free concrete密实混凝土;
- air expressn.航空快递邮件,空运包裹;
- air entrainment test夹杂空气量试验;
- air entrainment加气处理,掺气,加气剂;
- air entraining cement掺加气剂的水泥;
- air entraining admixture加气掺合剂;
- air engine空气发动机,作用气缸;
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