英文關鍵字
asphalt
base
bridge
built
car
city
come
concrete
construction
design
dirt
environmental
equipment
furniture
government
grey
heavy
height
highway
job
journey
loader
machinery
metal
mobility
movement
outside
partitions
paving
profession
promenade
quickly
railway
reconstruction
renovation
restoration
rising
road
rubble
scene
shuttle
sky
sliding
steel
street
structures
tap
tourist
towers
traffic
water
website
welding
winch
winter
work