英文關鍵字
bran
bread
cereal
checking
closeup
concept
control
conveyor
corn
equipment
factory
farina
flour
flourmilling
flow
food
foodstuff
grain
granary
granule
grind
husk
industrial
industry
machine
machinery
manufacturing
mill
milling
plant
powder
prepare
preparing
processing
production
quality
raw
research
seed
sieve
sift
sifter
spin
technology
test
wheat
workshop