rayon

Silk is distinct from rayon in every respect.

在各个方面真跟人造同。

Caps should only be made of black cotton poplin, broadcloth, rayon, or silk, to match gown they are to be used with.

帽子应该只用黑色棉府绸，精细棉布，人造维物或者绸来衬长袍。

Property of cuprammonium rayon was introduced.Three passages drawing was done,and this processing plan was adopted when spinning cuprammonium rayon cotton blended knitting yarn.

介绍了铜氨维的特性,铜氨维与棉维混和纺制针织用纱的工艺方案是采用三道并条的工艺。