英文關鍵字
tractor
clean
country
roadside
closeup
level
dirt
mud
follow
tracking
shot
construction
heavy
machine
road
equipment
industrial
industry
machinery
vehicle
grader
ground
soil
work
earth
repair
mover
blade
activity
transportation
wheel
engineering
outdoor
compactor
levelling
pavement
grind
bulldozer
new
power
muddy
pressure
rural
diesel
move
asphalt
motor
city
dirty