Someone always put the efficiency level of the filter with the actual level of clean room, if use how many 9 super efficient filter can reach the best level or even 10 level of cleanliness.
有人总把过滤器的效率等级与洁净室的级别对应起来，好像用了多少个9的超高效过滤器就能达到百级甚至10级的洁净度。
Super 8 Hotel of the United States has always been committed to providing every guest room clean and friendly service.
美国速8酒店始终致力于为每一位客人提供干净的房间和友好的服务。
I just pick up the smaller things in the room, and push the clean button, and you come home to a super clean carpet or floor.
我只捡起来小的东西，按动按钮，你回到家里就有一个超级干净的地毯或地板。
I just pick up the smaller things in the room, and push the clean button, and you come home to a super clean carpet or floor.
我只捡起来小的东西，按动按钮，你回到家里就有一个超级干净的地毯或地板。
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