相似主題
英文關鍵字
activity
equipment
vehicle
power
driving
road
machine
heavy
building
construction
industry
working
work
Pushing
part
earth
dirty
dirt
truck
track
in
land
Diesel
caterpillar
scoop
cabin
platform
tractor
dust
machinery
progress
bulldozer
mining
shovel
digging
mover
scraper
hydraulics
dozer
catterpillar