英文關鍵字
asphalt
construction
equipment
industrial
industry
machine
pavement
road
truck
work
city
highway
machinery
new
paving
power
reconstruction
roadway
street
transportation
engineering
heavy
infrastructure
paver
surface
transport
cut
sidewalk
milling
old
recycling
repair
technology
vehicle
blade
breaker
broken
build
cutter
outside
repairing
substitution