英文關鍵字
armature
base
building
cast
casting
cement
civil
concrete
concreting
construction
cover
delivery
dissemination
distribution
engineering
fill
flow
flowing
foundation
fresh
hose
industrial
infrastructure
liquid
machinery
manpower
over
people
pipe
pipeline
plank
plastic
pour
process
pump
ramp
sanitary
scaffold
scaffolding
sewage
sewer
sewerage
site
team
teamwork
together
trench
tube
under
wooden
work
worker