During normal operation , a disc brake stops the main pulley mechanism .
正常运行时，盘式制动器控制主滑轮的停止。
" This is something that we have needed to do as state support has been drying up , " says prof pulley .
普利教授表示：“随着政府资助日趋枯竭，我们不得不这样做。”
Attach a rope to the high pulley of a cable station and grab an end with each hand .
在高处的滑轮上固定绳索，双手各抓住绳索的一端。
A 310-kilowatt motor at the top of the elevator shaft raises and lowers the car by turning the pulley .
电梯井顶部有一个310千瓦的电动机，其通过转动滑轮来使电梯升降。
Why it 's innovative : instead of separating in the middle like a drawbridge , the pont gustave-flaubert 's deck is lifted straight up by a butterfly-shaped pulley system so tall ships can pass through .
