下脚

The article describes developping and using of tail-end wool in dyeing and wasty wool in combing.

本文叙述了毛条在在染色中的匹尾毛和在精梳中下毛的开发利。

Shape-set silk floss of a compound-layered structure is made by nonwoven technology mainly with waste silk from filatures and three-dimensionally crimpy fibres.

定形丝非织造布工艺，以缫丝厂的下废丝为主要原料与三卷曲成复合层结构。