Winding installations in the corresponding singlereel, a large area of contact with the rope, the advantages of low pressure units.
相应的卷绕装置采用单层卷筒，有与钢丝绳接触面积大，单位压力低的优点。
2
She also devised a special reel to draw the fibres from the cocoon into a single thread so that they would be strong enough to be woven into fabric.
她还设计了一个特殊的卷轴，把蚕茧里的纤维拉成一根单线，这样它们就足够结实，可以织成织物。
3
Traction roll is made with fire resistant rubber. tractive motor USES electromagnetism adjusting speed, freely adjusting speed continue, reel motor use single shaft, momental motor drives it.