英文關鍵字
armature
building
cast
casting
cement
civil
column
compact
compacting
compaction
compactor
concrete
concreting
construction
electric
engineering
fill
fit
fitter
fresh
girder
hose
industrial
industry
joist
lattice
liquid
manage
manpower
mason
mold
pipe
pour
power
pump
rebar
reinforced
reinforcement
rigger
rusted
rusty
site
team
teamwork
tool
vibrate
vibrating
vibration
vibrator
vibratory
work
worker