英文關鍵字
break
build
clay
communication
construction
control
cool
crash
culvert
damaged
ditch
drainage
earthwork
ecology
energy
environmental
equipment
facility
fitting
flow
ground
hole
home
hot
industry
infrastructure
maintenance
manhole
metal
mud
network
orange
pipe
pipeline
pollution
protective
repair
replace
roof
sewage
sewerage
storm
stream
surface
traffic
waste
water
wreck