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- external air loop 外部空气
- External air duct and exhaust pipe connector. 外置式出入油管连接座。
- Air loop biological reactor (ALR) has demonstrated its advantage so as to be one kind of the equipment which has greatest prospects. 气升式环流生物反应器(ALR)在生物废水处理方面已显示出是最有前途的装置之一。
- For the spring return type actuator,the 3 way solenoid valves are used to control air loop,the p/p positioner is used for locating the position. 对于单作用执行机构方案,利用三通电磁阀来控制气路,由气动阀门定位器进行精确定位;而双作用执行机构方案则利用四通电磁阀控制气路,用力的平衡原理进行定位。
- The external air temperature can be measured by a simple external air sensor and a PC can continuously register and average them. 室外气温可以用一个简易的室外空气传感器测量，计算机可以连续记录并进行平均值计算。
- In addition, the ground-source heat pump system model is founded by colligating the indoor air loop model, heat pump unit model, and ground heat exchanger model. 结合热泵机组模型完成了地下热交换器的模型求解，并综合室内空气环路模型、热泵机组模型和地下热交换器模型建立了地源热泵系统模型。
- Outfit ceiling fan is added to look beautiful not only in the home, use cool, still can achieve the result that quickens air loop, have the help of certain level to residing air quality of the home. 空气清净机能够过滤空气中的过敏原及灰尘， 是改善居家空气品质的专业帮手，不过要注重的是，滤网部分至少三个月就必须更换一次，否则清净不成，反倒成为家中最大的污染来源。
- Helicopter External Air Transport 直升机外部空运
- external air (injection) manifold 外装式空气喷射总管
- external air ( injection ) manifold 外装式空气喷射总管
- The air in the garden was warm and fragrant. 花园里的空气一片温馨。
- The archers sent their shafts through the air. 弓箭手向空中射出利箭。
- Keywords air loop duct;VAV systems;experiments;analysis; 变风量（VAV）系统;环形风管;送风系统;实验分析;
- He is just listening in external of that room. 他正在那房间的外面留神听着。
- Effective obstruction of frequent influxes of external air 时常有室外风侵入时有效阻隔
- This news program only covers external events. 这一新闻节目只报道国外消息。
- The lack of air in the room make everyone sniffle. 屋子里空气缺乏，使得每个人都频频吸气。
- During the intermission, let's go out for some fresh air. 幕间休息时，我们出去呼吸呼吸新鲜空气吧。
- She sets great store by external politeness. 她很注重表面的虚礼。
- The air held a foretaste of a storm. 天气有要括大风的迹象。
