機器
agriculture
appropriate
arid
asian
connect
country
countryside
device
earth
engine
environment
equipment
farm
farmer
farming
farmland
field
flow
garden
industrial
industry
irrigation
large
lines
metal
modified
motor
natural
nature
old
outdoor
outside
paddy
pipe
pipeline
plant
pump
rice
rural
summer
sunset
system
technology
thailand
tropical
tube
wash
water
wet