英文關鍵字
bagasse
boiler
building
cane
conversion
conveyor
cycle
desert
dry
electric
electrical
energy
environment
environmental
facility
factory
fired
fuel
gas
generation
generator
heat
industrial
industry
metal
nature
outdoor
pipe
plant
pollution
power
powerplant
recovery
sky
smog
smoke
stack
station
steam
steel
sugar
system
technology
tower
transmission
tree
valve
voltage
watts