英文關鍵字
asphalt
blacktopping
coating
compact
compactor
concrete
construction
drudgery
engineering
equipment
finisher
foundation
gravel
heavy
highway
industrial
industry
interstate
laying
machine
machinery
maintenance
multilayer
patch
pave
pavement
paver
paving
pressure
renewal
renovation
road
roadworks
roller
service
site
soil
steam
steamroller
street
tar
teamwork
tracked
transport
transportation
truck
vehicle
vibration
workers
works