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- air exchange fan 换气扇
- For faster growing cultures the bags may have to be punctured to allow a more rapid air exchange. 生长快的培养体可能应该把塑料袋刺破,以利于气体更迅速的交换。
- If the venue is mechanically ventilated, ensure proper maintenance and cleansing of the ventilation system as well as frequent air exchange. 如场地采用空气调节系统,应确保有频密及新鲜的空气对流,及保持适当清洁及维修保养。
- The moisture buffering effect of this layer depends very much on the air exchange rate and also on the ratio of the surface area of the buffer to the volume of the room. 湿缓冲效果依赖于空气置换率和房间内多孔缓冲材料的表面积和空间的比率。
- Besides ventilator designing and manufacture whole sets of aeration systems for air exchange,dust cleaning and air power transportion etc. 除具备开发、生产各种通风机外，还具有通风换气、通风除尘、气力输送系统设计，成套生产的能力。
- Based on the atmospheric dust experiment, researches the contaminant air exchange caused by the temperature difference while opening the door of isolation wards. 摘要基于大气尘实验，研究了隔离病房开门时温差对污染物外泄的作用。
- Because of this technology makes use of solar energy and air heat source maximum, COP coefficient rises dramatically and solving the frost of surface of heat exchange fans in air oil pipe outdoors. 该技术由于最大限度地利用太阳能光热及空气源低品位热源，系统COP系数大幅度提高，解决了室外侧空气盘管换热器翅片冬季低温条件下表面结霜问题。
- Furniture supplier shall be responsible for final connection of Fume Hood, canopy hood, vents of acid, flammable cabinets, and shall be communicating with HVAC contractor for air exchange volume, air exchange rates to meet lab safety requirement. 实验室家具承包商将负责抽风柜，排风罩和酸碱柜等排风点的最后连接，并负责和空调及排风系统的承包商确定实验室区域的排风量，换气频率等具体技术要求，确保实验室的安全。
- Under the typical meteorologic condition of north china, the heat insulation in the summer,air exchange and ventilation、dewing prevention and heat preservation in the winter were discussed. 在华北地区典型气象条件下,对呼吸式玻璃幕墙的夏季隔热和冬季的保温防结露及通风换气特性给予了分析。
- 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。
- Easy to be manipulated sun roof It allows the air exchanging between outside and inside. 操纵轻便的天窗内外空气交换，享受阳光，享受自然。
- A current of air from a fan; a current of spoken words. 从风扇中吹出的一股气流; 一通讲话
- ventilation system with air exchange shaft 送排式通风
- An electric fan keeps the air in circulation. 电扇使空气流通。
- 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。
- The air held a foretaste of a storm. 天气有要括大风的迹象。
- The air was reeking with the smell of tobacco. 空气中弥漫着烟草的气味。
- A walk in the fresh air will pep me up. 我在空气新鲜的地方散步就感到精神饱满。
