英文關鍵字
airport
architecture
area
articulating
build
cement
central
column
construct
construction
constructor
crane
design
engineers
floor
framework
freight
grind
ground
hand
indoors
inside
main
marble
moscow
people
person
pile
professional
region
rock
roof
russia
space
spark
steel
stone
structure
support
table
terminal
tile
vnukovo
wall
welding
wide
wideangle
work
worker
gloves