英文關鍵字
agriculture
antique
bran
contraption
countryside
crop
crush
cultivation
dehull
dehulled
device
equipment
farm
farming
food
grain
grind
grinder
hopper
hull
husk
industrial
machine
machinery
mill
milling
natural
object
paddy
postharvest
preparation
process
pulley
roller
rural
rustic
safety
separator
thresher
unpolished
vintage
wooden
work