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
track
urban
sunset
transport
excavators
technology
sky
engineering
workplace
earth
twilight
hydraulic
sun
silhouette
dirt
wheel
working
big
sand
development