@avslojar @JoshuaDHunter @CleanAirCrewOrg @3M @Amal4Solutions @JimRosenthal4 @CorsIAQ Apart from noise level, upper left is "best" on this chart so C-R beats everything commercial in some sense.
@avslojar@JoshuaDHunter@CleanAirCrewOrg@3M@Amal4Solutions@JimRosenthal4@CorsIAQ除了噪音水平，左上角在这张图表上是“最好的”，所以C-R在某种意义上胜过了所有商业产品。