stretch yarns造句怎么写

3、These heavy duty, truly elastomeric yarns are not widely applicable as stretch yarns and therefore are considered to be special end-use yarns.

5、To make stretch yarns by the false- twist method, the yarn is fed from the supply package to the heater, where twist is set into the filaments, following the heat setting, the yarns are untwisted and taken up on packages.

2、and type of yarn(for example, core -spun stretch yarns,complex yarns with little or no stretch, single or ply yarns of high dimensional stabililty).

1、Textured yarns that have been programmed for extraordinary extensibility are known as stretch yarns.

4、Most stretch yarns can be extended from one and one-half to twice their normal or relaxed length.