英文關鍵字
action
builder
cement
concrete
construction
contractor
day
development
directs
filling
foundation
hand
hard
industrial
liquid
outdoor
pipe
pour
pouring
pump
site
tube
work
worker
workman
英文關鍵字
action
builder
cement
concrete
construction
contractor
day
development
directs
filling
foundation
hand
hard
industrial
liquid
outdoor
pipe
pour
pouring
pump
site
tube
work
worker
workman