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在乘梯时您若仔细察看,将会发现在有一些客货电梯或载货电梯的轿厢内操纵箱上,有一个叫“开门延时”的按钮。如按下该按钮,电梯将延长开门保持时间。在您搬运货物时,若不能很快进出轿厢,或是需要多次搬运时,不要用手挡住轿门来阻止门的关闭,此时您可以按下此按钮,轿门将长时间保持在开门状态(一般在2-5分钟),若一次开门延时时间还不够,您可以再次按下“开门延时”按钮,直到您搬运好货物。当您搬好货物后,只需按下关门按钮,则轿门自动取消开门延时。若您是往轿内搬运货物,当您选好欲达楼层,电梯则起动前往;若您是从轿内往外搬运货物,则当您搬完后,按下关门按钮,取消开门延时,以便电梯可以尽早响应其他楼层乘客的呼梯信号,这也是文明乘梯之举。