英文關鍵字
bahrain
barrel
black
bolt
bop
bush
casings
cold
column
company
component
compressors
construction
control
crosses
crude
deep
design
device
drill
energy
environment
equipment
exploration
extraction
extreme
faucet
field
first
flow
flowing
fossil
fountain
fuel
gas
gasoline
gauge
generation
green
handle
head
incomplete
industrial