This paper introduces the material selection and yarn property of double polyester covered yarn, describes process key and technology measures in reforming spinning frame and operating management.
介绍了双涤纶包芯纱线的原料选用和成纱性能，叙述了各生产工序的工艺注意要点，以及在细纱设备改造和操作管理方面采取的技术措施。
Description is done to the relation of application process of cots and aprons in relation to spinning quality, and some suggestion is put forth regarding cot manufacturing and management.
论述了丁腈胶辊、胶圈应用技术与成纱质量间的关系并就胶辊制作和保养管理问题提出一些建议。
Description is done to the relation of application process of cots and aprons in relation to spinning quality, and some suggestion is put forth regarding cot manufacturing and management.
论述了丁腈胶辊、胶圈应用技术与成纱质量间的关系并就胶辊制作和保养管理问题提出一些建议。
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