英文關鍵字
road
building
asphalt
roadwork
repair
route
construction
roller
site
highway
industry
renewal
roadway
driveway
renewed
automobile
car
commercial
compactor
drive
equipment
freeway
heavy
infrastructure
lane
machine
machinery
maintenance
motor
motorway
pavement
paver
roadside
steamroller
surface
tar
top
transportation
vehicle
way
work
move
auto
job
paving
occupation
intercity
overpass
straight
street