Imagine a belt running over a pulley and catching some loose debris and forcing it around the pulley.
想象一下，一个滑轮皮带运行和捕捉一些松散的碎片，并迫使它周围的滑轮。
2
The chain, pulley, shaft, belt and other running parts should be equipped with protective cover and protective board.
设备上的链条、皮带轮、轴、皮带及其他运转部分都应该设置上防护罩和防护板。
3
The movement is reliable USES the reduction gear joint belt pulley and the sprocket feed and disposes the transmission to rise the tight organization the guarantee running rate.