@ZankFrappa2 @UBI4UandI @JuliaRaifman @kaitlancollins No it isn't. It is the relationship between how busy and level of ventilation.
@ZankFrappa2@UBI4UandI@JuliaRaifman@kaitlancollins不，不是。这是繁忙程度和通风水平之间的关系。
@ZankFrappa2 @UBI4UandI @JuliaRaifman @kaitlancollins No it isn't. It is the relationship between how busy and level of ventilation.
@ZankFrappa2@UBI4UandI@JuliaRaifman@kaitlancollins不，不是。这是繁忙程度和通风水平之间的关系。