英文關鍵字
excavate
scoop
earthwork
digging
machinery
hole
excavator
ground
earthmover
bucket
equipment
soil
industry
up
site
construction
pipe
heavy
working
occupation
concept
bulldozer
outdoor
earth
sand
dirt
land
closeup
close
industrial
transport
digger
dredge
dredger
bagger
navvy
drag
shovel
power
debris
machine
backhole
hydraulic
crawler
loader
demolition
pit
development