英文關鍵字
brick
building
chimney
city
cooling
energy
environment
exhaust
factory
fume
gas
heat
heating
hot
industrial
industry
old
pipe
pipeline
plant
pollution
power
smog
smoke
steam
system
tube
vapor
vapour
wall
water
英文關鍵字
brick
building
chimney
city
cooling
energy
environment
exhaust
factory
fume
gas
heat
heating
hot
industrial
industry
old
pipe
pipeline
plant
pollution
power
smog
smoke
steam
system
tube
vapor
vapour
wall
water