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。
Energy can be recovered and returned as process make-up air, used to preheat combustion air, or used for plant or office heating.
可以在空气补偿的过程中对能量进行恢复和退回，用于对燃烧空气的再加热或工厂、办公室的加热。
A fresh air system with a preheat function can provide comfortable temperature of fresh air to keep the indoor temperature at the same time to achieve energy-saving purposes.
具有预热功能的新风系统，把温度适宜的新风引入，保持室内温度的同时又达到节能的目的。
It can save a lot of energy to preheat air in air-conditioning systems.
在空调系统中对空气进行预热，可以节约大量的能源。
The exchanger is used to recover the waste heat of the flue gas from enamelling furnace, in order to preheat the air entering the drying oven. Good results in energy saving have been obtained.
该换热器用于回收搪烧窑废气余热，以加热进入烘房的空气，获得了显著的节能效果。
The exchanger is used to recover the waste heat of the flue gas from enamelling furnace, in order to preheat the air entering the drying oven. Good results in energy saving have been obtained.
该换热器用于回收搪烧窑废气余热，以加热进入烘房的空气，获得了显著的节能效果。
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