機器
back
backhoe
big
bucket
build
bulldozer
construct
construction
contractor
diesel
digger
dirt
dozer
duty
earth
earthmover
excavate
excavating
excavation
excavator
ground
heavy
hoe
hydraulic
industrial
industry
iron
isolated
lift
loader
machinery
mine
moving
operator
piston
pit
power
quarry
sandpit
scoop
shovel
track
tractor
vehicle
wheel
white
window
work
yellow