英文關鍵字
activity
apply
applying
asphalt
asphalting
automa
automatically
compactor
construction
equipment
feed
heavy
highway
hot
industrial
industry
layer
machine
machinery
new
pave
pavement
paver
paving
pressure
reconstruction
repair
road
roadworks
russia
screw
slowly
steamroller
street
tar
tires
transportation
used
vehicle
work