英文關鍵字
agricultural
architecture
asia
asian
background
beautiful
big
building
cement
chon
concrete
construction
dam
dan
electric
electrical
energy
engineering
environment
fast
flood
floodgate
flow
flowing
front
gate
high
hydroelectric
industrial
industry
irrigation
khun
landscape
mountain
moving
nakhon
natural
nature
nayok
open
outdoor
plant
power
powerful
prakan
prakarn
protection
reservoir
river
station
structure
summer
supply
technology
thailand
tourism
travel
view
wall
water
waterfall