英文關鍵字
architecture
background
bottom
building
city
concrete
construction
continuous
development
drilling
engineering
environment
excavation
fixtures
foundation
garage
ground
high
house
industrial
industry
machine
material
metal
method
multistorey
people
pit
reinforced
reinforcement
retaining
rig
safety
site
skyscraper
structure
tool
tourism
underground
urban
wall
work
worker
yard