英文關鍵字
break
breakthrough
build
circle
clay
communication
concrete
construction
control
crash
culvert
damaged
ditch
drain
drainage
earthwork
ecology
energy
environmental
equipment
facility
fitting
flood
fountain
gas
ground
hole
incident
industry
infrastructure
maintenance
manhole
mesh
mud
network
orange
outdoor
overflow
pipe
pipeline
pollution
pressure
protective
repair
replacement
system
traffic
tube
waste
wreck