英文關鍵字
dismantled
asphalt
fenced
large
pit
iron
pipe
main
heat
pipeline
sewerage
sanitation
canalization
sewage
sewer
system
plumbing
drain
drainage
city
water
supply
sun
sunlight
noise
sound
town
urban
repair
maintenance
mending
upkeep
renovation
refit
refurbishment
overhaul
housing
habitation
dwelling
home
house
social
societal
ray
sunray
steam
evaporates
early
morning
old