@walt33 @DrEricDing @CDCDirector @CDCgov FFP2 is a bit more like KN95 in that N95 never have ear loops.
@walt33@drericing@cdcedirector@CDCgov FFP2更像KN95，因为N95从来没有耳环。
@walt33 @DrEricDing @CDCDirector @CDCgov FFP2 is a bit more like KN95 in that N95 never have ear loops.
@walt33@drericing@cdcedirector@CDCgov FFP2更像KN95，因为N95从来没有耳环。