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.

对三茧绢纺原料行了可纺分析，介绍了其试纺情况。试纺结果表明，三茧绢纺原料有良好可纺，并达到纺超高支绢丝。

The article introduces the process of knitted fleece made by bourette silk spun from silk noil and the processes of rewinding, knitting, finishing and raising are discussed as well.

文介绍了利用绢纺落绵纺制而成针织用绸丝开发针织起绒织物生产过程,并对倒筒、织绸、染整、起绒等工序工艺行了探讨。