... Hung system 挂起系统 HVAC =Heating, Ventilating and Air Conditioning 采暖通风与空调； =High Voltage Alternating Current 高压交流电 ...
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熟悉采暖通风与空调 Familiar with HVAC
采暖通风与空调过滤器 HVAC FILTER
采暖通风与空调
Heating ventilation and air conditioning
以上为机器翻译结果，长、整句建议使用 人工翻译 。
此外，采暖，通风和空调系统的升级与改进也已完毕。
Additionally, cabinet backings were pre-finished to prevent off-gassing and the heating, ventilation and air conditioning (HVAC) system was upgraded with improved air filters.
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