英文關鍵字
business
chemical
chemistry
chimney
construction
distillery
drilling
energy
engineering
environment
equipment
factory
fossil
fuel
gas
gasoline
global
industrial
industry
manufacturing
metal
natural
night
oil
petrochemical
petrol
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pipe
pipeline
plant
pollution
power
production
refine
refinery
rig
sky
smoke
smokestack
station
steel
storage
structure
sunset
supply
tank
technology
tower
tube
water