We can use non-Fresno freezers or air conditioners to protect ozone in the atmosphere.
We can use non-Fresno freezers or air conditioners to protect ozone in the atmosphere.
我们可以用无氟冰箱或空调以保护臭氧层。
We can use non-Fresno freezers or air conditioners to protect ozone in the atmosphere.
我们可以用无氟冰箱或空调以保护臭氧层。