- air voids孔隙;
- air trowel气动泥刀;
- air treatment空气清新剂;
- air tooln.风动工具;
- air tight construction气密构造;
- air tight concrete气密混凝土;
- air supply system送风系统;
- air route航线;
- air pollutionn.空气污染;
- air placing machine混凝土气力压送机;
- air mortar加气灰浆，气硬砂浆;
- air hoist气动升液机，风动提升机;
- air hardening of cement水泥空气硬化;
- air hammer气锤;风锤;
- air flow switch气撂电器;
- air float气垫，气托;气囊;
- air expressn.航空快递邮件，空运包裹;
- air entrainment test夹杂空气量试验;
- air duct空气管道;空气流导管;通气道;导气管;
- air distribution风量按需分配;
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