英文關鍵字
activated
carbon
cartridge
clean
cleaning
clear
cold
deferrization
device
disinfection
dismantling
drinkable
drinking
environment
equipment
faucet
filter
filtrate
filtration
fresh
hands
health
healthy
home
household
ions
male
membrane
modern
osmosis
osmotic
parts
portable
potable
pour
pressure
process
pure
purification
purified
purifier
purifying
purity
remove
reverse
small
system
tap
technology
treatment
tube
tubes
water