英文關鍵字
agriculture
ballast-tamper
bin
black
brown
bunker
chopped
close
compaction
consolidation
corn
crop
economy
ensilage
face
farm
farming
feed
filler
fodder
food
forage
grain
growing
harvest
healthy
holstein
indian
job
livestock
machine
machinery
maize
operations
packs
pen
person
pit
plant
plug-ramming
provender
rammer
ramming
red
rural
sector
silage
silo
siloing
storage
tamp
trench
truck
turret
white
work
yield