This sound is the noise that blinds make once they are opened using the pulling mechanism on the side. It make a swish sound the faster you pull it and make a low grumble sound the slower you pull it. Can be used in any building scenario
百葉窗快速緩慢地打開和關閉
聲道：2
類型：wav
curtain、blinds、slowly、quick、home、mechanism、pulling、short、window、quickly、long、house、office、OWI、slow、pull、blind
窗簾、百葉窗、慢慢地、快、家、機制、拉、短、窗口、很快、長、屋、辦公室、OWI、慢、拉、盲
資料來源：freesound ( https://freesound.org )