英文關鍵字
aerial
derricks
drone
energy
extraction
footage
fuel
functional
hills
hilly
industrial
industry
land
landscape
oil
petrochemical
ploiesti
romania
working
英文關鍵字
aerial
derricks
drone
energy
extraction
footage
fuel
functional
hills
hilly
industrial
industry
land
landscape
oil
petrochemical
ploiesti
romania
working