alternative
building
clean
coal
concept
cooling
design
diagram
district
earth
eco
ecology
electric
electricity
energy
environment
exchanger
factory
friendly
generation
generator
geothermal
green
hall
heat
heating
hot
house
illustration
industrial
industry
injection
isometric
line
nature
plant
power
production
pump
renewable
smoke
station
steam
technology
thermal
tower
turbine
water
well
定額
geothermal plant: Pump house, Heat exchanger, Turbine hall, Production well, Injection well, Hot water to district heatingの素材 [FY310128230643]
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