1)return,回风流2)return current,回风流3)gas concerntration in the air return,回风流中沼气浓度4)air return,回风5)Return Air,回风6)upcast air,回风7)recirculated air,回风8)R.A.,回风9)RA(Return Air),回风10)return air for energy saving,回风节能
用法和例句
Pointed out the reasons that the gas concerntration in the air return was cuted down.
提出了反风时回风流中沼气浓度降低的原因，对反风时回风流中沼气浓度的变化规律进行了研
The influence for velocity field and temperature field with the difference of height of return air is analysed.
分析了回风口高度对室内空气流动的速度场和温度场的影响。
This article briefly analyses such health security problems as fresh air, return air, indoor air humidity and everyday maintenance of existing air conditioning systems, and presents some suggestions to solve these problems.
