1.
Experimental Study and Numerical Simulation on Frost Problem of Fresh Air Ventilator in Cold Region;
寒区新风换气机结霜问题的模拟与试验研究
2.
Numerical Simulation of Fresh Air Exchanger Effecting Indoor Environment
安装新风换气机房流场及温度场数值模拟研究
3.
Warm Air Heating by Gas and Research on Heat Transfer of Gas-fired Warm Air Heater;
燃气热风采暖及燃气暖风机流场换热的研究
4.
It replaces the polluted air by successively displacing it by fresh air.
它用新风成功有效地替换了污浊的空气。
5.
glass tube heat exchanger
玻璃管热交换器（一种气一气热交换器,置于烘房排风管道中利用余热来预热新鲜空气）
6.
Research on New Wind Turbine Airfoils and their Aerodynamic Performances;
风力机专用新翼型及其气动特性研究
7.
THE RESEARCH OF A NEW CONTROL TECHNOLOGY FOR HIGH POWER WIND TURBINE'S CONVERTER
一种大功率风电机组变换器新型控制技术研究
8.
dilution air plant
换风装置空气供给装置
9.
Greenwood Air Management Ltd.
绿林通风换气系统公司
10.
To admit fresh air into(a mine, for example) to replace stale or noxious air.
使通风，使空气流通使新鲜空气进入（如矿井）以替换不新鲜的或有毒的空气
11.
Not Assigned;Supply Air;Return Air;Exhaust Air;Toilet Exhaust;Transfer Air;Other...
未分配;送风;回风;废气;卫生间废气;换气;其他...
12.
Application of the Heat-pipe Heat Exchanger for Room Ventilation
热管换热器在通风换气中的应用研究
13.
To attain this goal with a minimum of air, a most efficient air flow must be installed: displacement ventilation.
为了用最少的空气量达到这个目标，必须建立一种最有效的通风系统：置换新风。
14.
Application of Project Management on Fresh-Air Interchange of Energy Saving Project in IT Room;
项目管理在通信机房节能课题新风置换项目中的应用
15.
A new type of cryogenic tunnel-injection cryogenic tunnel with heat exchanger
低温风洞新形式——换热引射式低温风洞
16.
Effect of Position on Ventilation and Gas Exchange Function in Neonate after Weaning from Mechanical Ventilation;
呼吸机撤离后不同体位对新生儿通、换气功能的影响
17.
Get the baby out to take some fresh air
把婴孩抱出来换换新鲜空气。
18.
A passageway or shaft in which air circulates, as in ventilating a mine.
通风道，换气坑空气流通的通道，如使矿井通风的风道