英文關鍵字
asphalt
blacktop
build
close
closeup
cold
concept
concrete
construction
detail
dump
dumping
duty
engineering
equipment
fall
for
ground
heavy
heavy-duty
highway
into
load
machine
machinery
maintenance
mass
material
mechanical
mechanism
milling
motion
motorized
move
operation
part
pavement
paver
paving
planer
planing
process
profiling
recycling
removal
remove
repair
road
roadway
roadwork
slow
surface
truck
up
vehicle
view
work
works