英文關鍵字
business
clear
construction
crude
derrick
desert
drill
drilling
energy
equipment
exploration
fracking
fuel
gas
gasoline
generation
geology
industrial
industry
isolated
jack
lever
machine
mine
mining
natural
oil
oilfield
oilwell
petrochemical
petroleum
pipe
pipeline
power
pump
reservoir
retro
rig
russia
silhouette
sky
sun
sunbeams
supply
tank
technology
valve
wealth
well