Used for rocking cottonwool and spun silk yarn into sliver and rocing with a certain length in order it measure its evenness.

用于摇取棉、毛、绢等条子和粗纱成一定长度，以测定其均匀度。

Trial spinning is described through analysis on the spinnability of trivoltine cocoon waste material, which can produce ultrafine spun silk yarn due to its excellent spinnability.

对三眠茧绢纺原料的特性进行了可纺性分析，介绍了其试纺情况。试纺结果表明，三眠茧绢纺原料有良好的可纺性，并达到纺超高支绢丝的目的。