英文關鍵字
barrel
business
cell
chemical
desert
drilling
energy
engineer
engineering
fuel
gas
gasoline
helmet
industrial
industry
jack
job
mining
oil
people
petroleum
power
production
pumping
silhouette
sky
sunset
technology
well
英文關鍵字
barrel
business
cell
chemical
desert
drilling
energy
engineer
engineering
fuel
gas
gasoline
helmet
industrial
industry
jack
job
mining
oil
people
petroleum
power
production
pumping
silhouette
sky
sunset
technology
well