英文關鍵字
aeration
aerator
air
aqua
asia
blue
cambodia
circle
clean
cultures
environment
equipment
facility
farm
fill
fish
fishing
flow
fresh
green
industry
lake
machine
natural
nature
outdoor
oxygen
pond
ponds
pool
refreshing
shrimp
splash
thailand
treatment
turbine
turbines
vietnam
water
wet
wheel