英文關鍵字
base
build
builder
close
closeup
concept
construction
engineering
equipment
foot
geogrid
geosynthetic
grid
ground
highway
industrial
infrastructure
labor
laborer
lay
layer
leg
maintenance
man
mesh
motorway
net
operation
pavement
paving
people
person
process
reinforcement
road
roadway
roadwork
roll
site
spread
structure
subbase
surface
tool
uniform
unroll
up
view
walk
work
worker