HVAC abbr. 高压交流电(High Voltage Alternating Current)
- Cold and hot potable water, HVAC chilled and hot water. Evaporative cooling systems.
冷和热饮用水,暖通空调冷却水和热水。蒸汽冷却系统。 - For very small buildings, contractors normally "size" and select HVAC systems and equipment.
对于很小的建筑,由承包商定位或选择HVAC系统和设备。 - For air conditioning, purification, HVAC, refrigeration and paint technology, the cause and make due diligence.
为空调、净化、暖通、冷冻及烤漆房技术等事业,作出应尽的努力。