1. 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。

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