機器
backhoe
big
black
blue
brown
bucket
build
clay
closeup
cloud
construction
development
dig
digger
dipper
dirt
dredge
earth
equipment
excavate
excavation
excavator
full
ground
heavy
horizontal
hydraulic
industrial
industry
ladle
land
loading
mining
move
outdoor
pipeline
pit
power
red
scoop
shovel
site
sky
soil
teeth
trench
up
work
yellow