This paper introduced some measures to decrease the spun yarn evenness CV and cop faults per million-metre.

介绍了降低细纱条干c V值、减少管纱纱疵的一些尝试性措施。

youdao

When spinning polyamide filament core-spun yarn covering fibre should be finer, longer and higher uniformity, which could improve yarn evenness and covering effect and guarantee yarn quality.

在纺制锦纶丝包芯纱时，选用的外包纤维细长、长度整齐度高，可以改善成纱条干和包覆效果，保证成纱质量。

youdao