@FinchTH @RidleyDM @jvmlost @coolpix_jpg @cre8iverenewal Running them on high to get max CADR is pretty loud, although I guess it depends on the classroom details. Probably need more run on lower speed.
@FinchTH@RidleyDM@jvmlost@coolpix\u jpg@cre8iverenewal将它们放在高处以获得最大CADR的声音相当大，尽管我猜这取决于课堂细节。可能需要在较低速度下进行更多跑步。