英文關鍵字
activity
asphalt
asphalting
background
bituminous
building
cold
concrete
construction
constructor
driver
dump
dumper
equipment
grinding
highway
hole
loading
lorry
machine
machinery
mill
milling
pavement
paver
paving
pit
reconstruction
recycler
recycling
remove
repair
road
roadway
roto
skid
spreader
steer
street
surface
technology
traffic
transportation
truck
vehicle
work
works
worn