英文關鍵字
site
loader
machine
excavator
excavation
machinery
equipment
industry
heavy
construction
work
bulldozer
tractor
soil
vehicle
shovel
scoop
mining
backhoe
building
excavating
activity
power
ground
industrial
dig
digger
bucket
mine
transportation
silhouette
workplace
excavators
sand
big
sky
transport
working
urban
track
twilight
earth
hydraulic
wheel
development
technology
sunset
engineering
sun
dirt