英文關鍵字
chute
pour
fresh
concrete
cement
mold
tube
construction
fill
industry
development
mix
wet
industrial
work
equipment
pouring
build
tool
day
outdoor
labor
liquid
machine
英文關鍵字
chute
pour
fresh
concrete
cement
mold
tube
construction
fill
industry
development
mix
wet
industrial
work
equipment
pouring
build
tool
day
outdoor
labor
liquid
machine