英文關鍵字
airconditioning
atmosphere
blow
blower
blowing
building
cold
compressor
condenser
condition
conditioner
construction
duct
electric
electricity
energy
engineering
equipment
external
factory
fan
gas
heat
hot
house
industrial
industrialism
machine
machinery
movement
outdoor
outside
plant
pollution
power
refreshing
refrigerate
refrigeration
rotating
structure
supply
system
technology
ventilate
ventilation
ventilator
wall
warming
wind