英文關鍵字
bridge
business
car
chimney
city
ecology
energetic
energy
enterprise
facility
factory
frozen
heat
hummock
ice
industrial
industry
kiev
manufactory
plant
power
station
technology
voltage
winter
英文關鍵字
bridge
business
car
chimney
city
ecology
energetic
energy
enterprise
facility
factory
frozen
heat
hummock
ice
industrial
industry
kiev
manufactory
plant
power
station
technology
voltage
winter