英文關鍵字
building
chemical
chimney
company
complex
diesel
distillery
energy
environment
environmental
equipment
factory
fuel
gas
gasoline
global
industrial
industry
metal
modern
oil
petrochemical
petrol
petroleum
pipeline
plant
pollution
power
powerful
production
refinery
sky
smoke
station
steel
structure
tatarstan
tatneft
technology
tower
white
work