英文關鍵字
air
appliance
building
climate
cold
commercial
compressor
conditioner
conditioning
construction
cool
cooler
cooling
electric
electrical
electricity
equipment
exhaust
factory
fan
heat
industrial
industry
mechanical
metal
plant
power
propeller
propellers
refrigeration
slowmotion
spinning
steel
system
technology
temperature
turning
urban
vent
ventilation
ventilator
wind
work