传动辊
... 单独传动专用传动装置 individual drive 传动辊 driving roller; live roller 不传动辊 non-driven roll ...
与现场滚筒输送机的维修问题导致该公司寻求更好的解决方案。
They have craft exhibits, lots of live music, games and rides like roller coasters and Ferris wheels.博览会上有手工艺展览、现场音乐表演、过山车和摩天轮等游乐设施。