marvella;marvello是什么意思

用法例句

Discussion of coarse pentalobal bright PA6 FDY production process;

粗旦五叶形有光PA6 FDY的生产工艺探讨

The production of bright PET staple fiber on the direct spinning mach-ine which was imported with a output of 15kt/a is described.

主要介绍了用引进15000t/a熔体直纺设备生产有光涤纶纤维的情况,探讨了纺制有光纤维的技术问题,选择合适的喷丝板,并对纺丝温度、冷却条件等工艺参数稍作调整,便能生产出质量较好的有光短纤维。

7 tex three-element blended yarn of bright-polyester/combed cotton/rayon.

介绍了有光涤 /精梳棉 /粘胶 (5 0 /30 /2 0 ) 1 4 7tex三合一混纺纱的工艺流程、技术措施以及纺纱时的注意事

Production technology of lustrous and profiled FDY is discussed, including chip drying, spinning and winding.

讨论了有光异形ＦＤＹ的干燥、纺丝、卷绕等生产工艺。