英文關鍵字
backhoe
bucket
build
building
bulldozer
development
dig
digging
dirt
earth
engineering
equipment
excavating
excavation
excavator
ground
heavy
industrial
industry
job
machine
machinery
mover
outdoors
sand
soil
work
working
英文關鍵字
backhoe
bucket
build
building
bulldozer
development
dig
digging
dirt
earth
engineering
equipment
excavating
excavation
excavator
ground
heavy
industrial
industry
job
machine
machinery
mover
outdoors
sand
soil
work
working