英文關鍵字
1920x1080
barrel
black
business
construction
crude
definition
donkey
drilling
ecology
economy
energy
environment
equipment
exploration
extract
extraction
facility
fuel
gas
gasoline
high
income
industrial
industry
intro
jack
machine
mineral
money
natural
nodding
oil
oilfield
petroleum
pipe
pipeline
platform
power
pump
resource
rig
rocking
sky
support
technology
tool
unit
well