機器
active
architectural
architecture
blue
bridge
build
business
cement
clouds
concrete
construction
crane
development
door
element
engineering
frame
freeway
high
highway
house
industrial
industry
infrastructure
iron
large
lift
make
new
overpass
precast
project
ready
real
reinforced
road
roadway
site
sky
steel
structure
traffic
way
window
worker
working