英文關鍵字
architecture
bridge
building
column
commute
concrete
connection
construction
crane
crossing
destination
development
drone
engineer
engineering
equipment
establishing
freeway
highway
industrial
industry
infrastructure
installing
machine
machinery
maintenance
metal
modernization
movement
occupation
outside
overpass
panorama
pillar
profession
project
quadcopter
reconstruction
rehabilitation
renovation
scaffolding
steel
structure
transport
unfinished
vehicle
way