所有那些口罩能慮去70% 到90%病毒,足以應對普通場合
所有跟帖:
• N95口罩雖說能慮95%,但不宜長時間帶,在普通場合 -flowmind- ♂ (32 bytes) () 03/31/2020 postreply 05:44:04
• N95口罩雖說能慮95%,但不宜長時間帶,在普通場合 -flowmind- ♂ (32 bytes) () 03/31/2020 postreply 05:44:04
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