英文關鍵字
above
architecture
armature
builder
building
buildings
business
canalization
carriage
cell
city
commercial
communication
construction
crane
day
digging
drain
drainage
estate
hole
industrial
machine
men
modern
motion
move
old
outdoor
overboard
people
pipe
pit
project
reinforcement
repair
sewage
silhouette
stands
steel
sunny
system
teamwork
top
urban
water
windows
work
workers
young