英文關鍵字
arm
asphalt
base
blacktop
build
close
closeup
compact
compaction
compactor
concept
concrete
construction
cover
detail
duty
engineering
equipment
even
finisher
flatten
freeway
heavy
highway
layer
level
machine
machinery
mass
material
mechanism
motorway
move
operation
part
pavement
paver
paving
process
road
roadbed
roadway
roadwork
screed
spread
surface
top
up
vehicle
view
work