英文關鍵字
agricultural
agriculture
agronomic
chain
country
countryside
crop
cultivated
cultivating
digger
dust
equipment
extraction
farm
farmer
farmland
field
gardening
gear
grow
harvest
harvesting
industry
ingredient
iron
machine
mechanism
metallic
natural
nature
pinion
plant
potato
process
rural
soil
special
technics
tractor
transportation
vehicle
village
wheel