return air preheat 回风预热
air preheat device 空气预热装置
air preheat equipment 空气预热器
air preheat exchanger 空气预热器
air preheat temperature 空气预热温度
High temperature air preheat exchanger 高温空气预热器
preheat air [冶] 预热空气
PTC air intake preheat PTC进气预热
Secondly the change of thermal efficiency and scale formation with the changeof air temperature, oxygen concentration and air excess coefficiency has beenresearched under the different combination of air preheat temperature, the oxygenconcentration and the air excess coefficiency.
然后利用这一程序，采用不同的空气预热温度、含氧浓度和空气过剩系数组合，研究了钢坯加热热效率和氧化烧损随空气温度、含氧浓度和空气过剩系数的变化规律。
参考来源 - 钢坯热过程节能与氧化烧损数值模拟研究·2,447,543篇论文数据，部分数据来源于NoteExpress
A climate zone with plants (greenhouse) is used to preheat the air with warmth from the sun, while taking exhaust air from the conference rooms.
气候区与植物(温室)可以用来预热空气和温暖的阳光，同时也能助于会议室内的空气流通。
A solar wall was also erected on the south-west facade of the building to preheat fresh air.
太阳能墙壁也竖立在大楼的西南立面来预热新鲜空气。
Indoor air heat exchanger is made up of preheat exchanger and secondary heat exchanger, and removed wet compression for compressor.
制冷系统室内空气热交换器由预热交换器和二次热交换器组成，消除了压缩机可能存在的湿压缩。
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