英文關鍵字
bucket
building
construction
dig
earth
equipment
excavation
excavator
gravel
heavy
hydraulic
industrial
industry
machine
machinery
mover
quarry
rock
scoop
shovel
site
sky
soil
vehicle
work
英文關鍵字
bucket
building
construction
dig
earth
equipment
excavation
excavator
gravel
heavy
hydraulic
industrial
industry
machine
machinery
mover
quarry
rock
scoop
shovel
site
sky
soil
vehicle
work