英文關鍵字
building
business
conduit
construction
contemporary
control
crude
energy
engineering
equipment
extraction
factory
field
fossil
fuel
gas
gasoline
heavy
industrial
industry
line
manufacturing
materials
metal
oil
oilfield
petrochemical
petrol
petroleum
pipe
pipeline
piping
plant
power
pressure
processing
production
pump
raw
refinery
resources
station
steel
structure
system
technology
tube
valve
water
well