英文關鍵字
air
background
bactericidal
bowl
bubbles
clean
compressor
cucumber
cucumbers
disinfection
electric
equipment
food
fresh
freshness
generator
green
healthy
injected
nature
outdoor
oxygen
ozonation
ozone
plant
preparing
processing
pumps
raw
red
rural
summer
tomato
tomatoes
treatment
vegetable
vegetables
washer
water
which