英文關鍵字
animation
business
businesswoman
crude
cycle
diesel
digging
donkey
drill
drilling
drum
earth
east
energy
equipment
extraction
field
fossil
fuel
gas
gasoline
ground
heat
industrial
industry
jack
landscape
mechanical
middle
money
natural
nodding
oil
open
outdoors
palms
petrol
petroleum
pipe
pipeline
platform
pollution
power
pump
refinery
sand
shale
sign
sun
sunlight
sunrise
sunset
supply
tank
texas
uae
white