英文關鍵字
agricultural
agriculture
distribution
drain
earth
ecology
engine
environment
farm
farming
farmland
field
flood
flow
flowing
fresh
green
ground
growing
growth
harvest
health
industrial
industry
irrigate
irrigation
land
landscape
machine
motor
nature
outdoor
pipe
pipeline
plantation
pond
pouring
pump
pumping
row
rural
soil
source
stream
system
technology
tube
vegetable
water
wet