機器
back
backhoe
big
bucket
build
bulldozer
construct
construction
contractor
danger
dangerour
diesel
dig
digger
dirt
dozer
drive
dump
duty
earth
earthmover
equipment
excavate
excavating
excavation
excavator
gold
grader
ground
haul
heavy
hoe
huge
hydraulic
industrial
industry
iron
loader
machinery
mine
mover
moving
pair
park
piston
pit
power
rock
sand
scoop
scraper
shovel
track
trackhoe
tractor
transportation
truck
vehicle
wheels
work
worksite
yellow