英文關鍵字
blue
bushing
drill
driller
drillfloor
drilling
energy
engine
equipment
exploration
field
gas
heavy
high
hydraulic
industrial
industry
iron
kelly
landscape
large
machine
machinery
master
measure
offshore
oil
oilfield
oilrig
outdoor
petrochemical
petroleum
platform
power
production
rig
rotary
rotate
sky
steel
technological
technology
tower
tugger
well