In many modern buildings, the purpose of heating, ventilating, and air conditioning (HVAC) equipment is to maintain a safe and comfortable environment for building occupants.
在建筑物中，暖通空调(HVAC)设备的目的是给业主提供安全舒适的环境。
The Air-Conditioning, heating, and refrigeration Institute (AHRI) is the trade association representing manufacturers of air conditioning, heating and commercial refrigeration equipment.
美国制冷空调和供暖协会(AHRI)是一个行业组织，代表空调，供暖和商用制冷设备制造商。
Some work for equipment manufacturers, such as the makers of heating and air conditioning systems, and they travel to installation sites to upgrade or modify those systems.
有些工作者服务于设备如电暖气和空调的制造商。他们还要出差到安装了系统的地方，为他们更新或改进已安装的系统。
The Air-Conditioning, heating, and refrigeration Institute (AHRI) is the trade association representing manufacturers of air conditioning, heating and commercial refrigeration equipment.
空调，采暖，制冷协会(AHRI)是代表空调，采暖和商用制冷设备制造商的行业协会。
The paper analyzed the main electric equipment of HVAC (Heating, Ventilation and Air Conditioning) apparatus and introduced structural principle of the auxiliary power system for EMUs.
分析了动车组空调装置的主要用电设备，并对辅助供电系统的结构原理进行了介绍。
The utility model belongs to heating ventilation and air conditioning equipment, and particularly relates to a sterilizing and purifying mechanism for an air conditioning end.
本实用新型属于暖通空调设备，具体涉及一种空调末端杀菌净化结构。
The utility model belongs to heating ventilation and air conditioning equipment, and particularly relates to a sterilizing and purifying mechanism for an air conditioning end.
本实用新型属于暖通空调设备，具体涉及一种空调末端杀菌净化结构。
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